Practise your grammar with answer key

PRACTICE YOUR GRAMMAR compiled,produced and editedby ipek Ekmekqi & QigdemOnat Ankara2003 Middle EastTechnicalUniversity Departmentof BasicEnglish TABLE,OF CONTENTS VERB TENSES S i m p l ep r e s e natn dc o n t i n u o u .s 1.2 Simplepastand continuous 1.3 Future perfectsimpleandcontinuous 1.4 Present 1.5 Pastperfectsimpleand continuous PRONOUNS 2.1 Personal Dronouns QUESTTONS 4.1 Yes/ no 'wh-', subject/ objectandinformationquestions ADJECTIVES AND ADVERBS 5.1 Adjectivesandadverbs 5.2 Adjectivesendingin-ing and-ed 5.3 5.4 5.5 5.6 5.1 5.8 Adjectivesand prepositions Numbersusedas adjectives Adjective order Comparativesand superlatives s D o u b l ec o m p a r a t i v e Adverbs modifying adjectivesand otheradverbs PAGE ll 17 25 41 59 B8 l0t 104 105 105 108 108 109 t20 121 lil N,IODALS A b i l i t y( C a n/ C o a l d/ B e a b l et o ) .2 P e r m i s s i o(nM a y/ C o u l d/ C a n1 ) (Would/ Will/ Could/ Canyou ) 6.3 Requests 126 (Let's/ why don't / shall we/ could / How-whatabout) r2i 6.4 Suggestions 6.5 Offers(ShallI /I'll / Wouldyou like) 128 6.6 Obligationandnecessity(Must/ Haveto / Should/ Oughtto / 6.1 Lack of necessity (Don't have to / Needn't / Don't need to / Didn't have to / Didn't needto ) I -1-1 Advisability ( Should / Ought to / Had better) 134 Expectations(Should) r35 11 Criticismand regret ( Shouldhave/ Ought to have) 136 Degreesof certainty ( Must / May / Might / Could / Can't / Couldn't / May not / Might not / Must have / May-Might have / Could have / Can't-Couldn'thave/ May-Might not have) .136 l P r e f e r e n c e( W o u l dr a t h e r) l.4 .l P r o g r e s s i vf eo r m so f m o d a l s .4 R e v i e wo f m o d a l s t.4 .3 THE PASSIVE 7.1 Simplepresent andcontinuous S i m p l ep a s ta n dc o n t i n u o u s perfectsimple 7.3 Present 7.4 Pastperfectsimple 7.5 Future 7.6 Modals -7 R e v i e wo f a c t i v ea n dp a s s i vveo i c e CONDITIONAL SENTENCESAND WISHBS T y p e0 T y p e1 8.3 Conditionals with unless 8.4 Possibiliw t yi t hi n c a s e 8.5 Conditionals withprovidedandas longas 8.6 Type2 T y p e3 M i x e dc o n d i t i o n a l s 8.9 Wishes R e v i e wo f c o n d i t i o n a l s NOUN CLAUSES R e p o r t e ds p e e c h 9.2 Indirectquestions 9.3 Noun clausesbeginningwith questionwords N o u nc l a u s eb s e g i n n i n gw i t h t h a t U s i n g- e v e r w o r d s U s i n gt h e s u b j u n c t i vien n o u nc l a u s e s 1V 157 .5 .8 160 I I .164 .6 t.6 .7 .6 169 .6 l7l 72 114 176 .1'76 184 .9.0 192 193 .9 196 IO ADJECTIVE CLAUSES ' .9.8 l0.l Non-defining .'200 10.2 Defining 10.3 Omission 207 10.4 Reduction 208 of quantity 10.5 Usingexpressions 209 N o u n + o ; f w h i c h 10.6 -.209 prepositions usedastheobjectof the 10.7 Pronouns 210 R e v i e wo f a d i e c t i vcel a u s e s 11 PARTICIPLES 217 12 GERUNDS AND INFINITIVES 12.1 12.2 12.3 12.4 12.5 12.6 A l l o w ,m a k e, l e t E n o u g n d t o o( t o.) F o r m so f u s e dt o C a u s a t i vvee r b s V e r b so f p e r c e p t i o .n andinfinitives Reviewof gerunds ' 221 222 2 228 .2 230 CONNECTIVES 238 causeandeffectusingso/ such that 13.1 Expressing 239 purposeusingso that,in orderto andbecause 13.2 Expressing 14 EMPHATIC STRUCTURES l l C l e f ts e n t e n c e s 14.2 Inversions GENERAL REVISION 15.1 Clozetests M u l t i p l ec h o i c et e s t s A N S W E RK E Y " " " " ' - 243 245 .250 - 265 ""' 306 VERB TENSES 1.1SIMPLE PRESENTAND CONTINUOUS A Fill in the blanks with suitableverbs in their correct forms Bridget Damon is a housewife.She doesn'twork so she has a lot of free time Bridget (l) getting up early so she gets up at 6:30 every morning Then, she (2) breakfast After breakfast, she (3) Bridget (4) (s) the dishes for a walk in the park every day In the afternoons she physicalexercisesbecauseshe wants to (6) On weekendsBridget sometimes(7) weight solf with her friends *** YolandaSmith is from Oxford, London.She is a studentandsheis l7 yearsold Yolanda goesto schoolby br"rs Sheusually(8) the bus She (e) (l0) (lt) (l3) out of the window when sheis on a to sandwich for the cafeteria When lunch or she is television or (12\ at she sometimes the dormitory, she to music Sometimes she cardswith her friends or (14) a book B Fill in the blanks with the correct forms of the verbs given in brackets Bob and Cindy ( l) (2) (3) (s) (be) married They live in London but they (be) from They England are from (have) a son His name (4) Australia They (be) Peter He (have) blue eyes and black hair Peter (6) (be).r student.He is just two yearsold Jaya Rajah is fifteen, but he (7) (go) to high school He studies (be) in their medicine at New York University His class-mates(8) twenties.Jayawas born in Madras,India, but his family moved to the U.S.A when he was two He (9) (live) in a house in New York with his parents and his younser brother.His fatheris a doctor.Jaya(10) He never (1 I ) (12) (havegot) any friends (go) out in the evenings, but he sometimes (watch) TV He says, "I live for one thing - I (13) (want) to be a doctor beforeI'm seventeen.Other children of my age are not lnterestlng T h e y ( ) (understand)me so I don't usuallytalk to them." Mike Parrish ( l5) (be) a modern cowboy He (16) (live) (t7) (get up/ always) with the sun about hall' past four i n the in a small caravan in the rnountains He summerand half past sevenin the winter.For breakfasthe (18) ( e a t ) t"]DO5( '"q sausagesand potatoes His dog Lance is always by his side At the momel.)r, he (le) (make)coffee for himself There are birds (20) i n t h es k y a n dL a n c e ( l ) 1f1y) (watch)them Dear Sir, I (22) because (23) (write) (take)place in my countrythese that far too many changes(24) days and consequently, we (25) (26) in (live) (21) ( 8) (lose) our a (change) small before town, my but eyes even For identity I this town instance they ( b u i l d ) a burger bar in the place of my favouriterestaurant.Our culture(29) (belong)to everyone,and I (30) why the authorities(31) (321 ( s e e m) t o l n c (understand ) tdol anything to prescrveit In I'uct.I (think) of starting an action group I (33) lappear)on TV 4's "You Talk" programmeon Friday night to make people aware of the importance of this issue It's time for us to start doine somethins before it (34) (get) too late Yourssincerely And Archer Rupert Hi Nigel! How are you? Nigel Fine fine It's beena long time, hasn'tit? So tell me about yourself Rupert Well, for the time being I (35) (work) in a language school in Cairo but I want to change my job as soon as I (161 Nigel I see.What (37) Rupert I (38) Nigel That s lovely.And what (39) (find) a better-paidone (do/you) here in London? (have)a holiday (think/you)of Cairo'l Rupert Actually I like it very much It is a very excitingplace Nigel And what aboutyour job? Is it difficult? Rupert Not really I (40) (teach/ usually) from I I a.m to I p.- and then later again from 6.30 to 9.30 In the evenrngs.my (go) into town very friends and I (41) often We nrefer to cometosetherat eachother'shousesand chat You (42) Nigel (seem) to enjoy your days in Cairo.So when areyou going back? ( l e a v )e Next week on Friday.My plane (43) Rupert early,at about7.00 a.m Nigel : By the way, how is your brother? Rupert : Chris oh he's OK He is married with two children and as usual he (stop) telling me that I should settle (44) down and get married.Thesedayshe (45) (play)a (guess)he wants to lot of football.I (46) get fir! 41 (constantly/ complain)that Alice is an annoyingguest;she the houseis cold (understand)everythingI say 48 My dog is very intelligent.It 49 The white building oppositethe street (belong)to a famous pop-singerbut sheis planningto sell it 50 You shouldn'tlift that heavybox You *** (expect)a baby A : W h y( ) B: (wear) a suit and a tie? you I have a iob interview this afternoon.I (52) (want) to look good *** 53 A: you (remember)your first day at school? B: Yes What aboutyou? 54 A: What'sall that noise? B: Our neishbours (have)a party *** A: Where is Jane this morning? (55) baby? B: No She(56) (bath) the she (bath)him in the evenings x** A: why (57) (Bill/try) to finish the report so quickly? B: It's Tuesday He (58) checkedon Tuesdays A: (give) his reports to his boss to be Where is your fiance?I haven'tseenhim recently B: He (59) summer A: Ohl (60) July? (work) as a receptionist at a hotel in Leeds for the he (come) back for our class reunion in B : N o b u t h e ' l l b e b a c k a s s o o na s h e ( ) get married becausehe isn't very happy there He (62) get on with the manager (earn) enough money to (seem)to (ring) the doorbell! 63 A: Barbara! Can't you hear? Someone My handsare greasy.Could you pleaseopen the door for me? B: Sure.mum Oh, it's Uncle Harry! 1997 October Hi Teresa! I (64) (write) this letter from Berlin It's a very big city Thereare a lot of interestingpeoplehere.School is greatl Our classes (finish) ar (65) p.m We (usually/have)lunch in the restaurantopposite the (66) school The food very good and quite cheap there In the afternoon we (often/visit) a museum, but this afternoon w e (61) (go) swimming in the big swimming pool (68) HeidelbergPark Hope to hear from you soon Love, Hugo It's Saturday night, and I'm home at very That's unusual I (often/stay)at home on a Saturday night, but today I (691 (slt) (have) a terrible headache.I (71) (70) in my balcony to get somefresh air now It's a warm night and the streetsare crowded.ln (sell)flowers front of the cinema.thereis an old woman (72) S h e( ) (wear; a long colourful skirt >k>kt We (14) (7s) from the States(76) (like) spending time at home and we (never/go)out in the evenings,but at the moment our friend (visit)us and we (77) theatresand many other interestingplacesin the evenings him to restaurants, *** (take) 13 The man is stupidenoughto believeyou 14 The story is short enoughto readin one lesson I5 That man is too tall for her to dancewith 16 The film is too frighteningfor childrento watch 17 The teacherspoketoo fast for us to understand 18 The wind is strongenoughto blow the roof off 19 courageousenoughto be a mountaineer 20 is not tall enoughto becomea model 21 was too steepfor the old farmer to climb 22 lt's not warm enough(for us) to have dinner on the balcony We can't have dinner on the balconybecauseit's not warm enough 23 She didn't walk / wasn'twalking fast I quickly enoughto catch up with them / so she couldn'tcatchup with them She couldn't catch up with them becauseshe didn't walk / wasn't walking fast / quickly enough 24 The ice is thick enough(for us) to walk on D La : A +.L 5.c 12.3 FORMS OF USED TO A They usedto live in a small house,but now they live in a big flat They usedto have a dog, but now they don't Mr Black usedto be a farmer,but now he's a salesman They used to eat healthy food, but now they eat unhealthy food Their son Andy usedto be very lazy at school,but now he's hardworking Mr Black didn't use to smoke.but now he smokesa lot Mrs Black didn't use to be fat but now sheis very fat They usedto enjoy life, but now they don't Andy didn't use to like school,but now he does 10 Mrs Black usedto be a housewife,but now she is a typist B Theredidn'tuseto be am used to eating only vegetablesand fruit (have)got usedto wearing / usedto dislike wearing didn't use to dye her hair am not / haven't got usedto cycling to school am usedto speaking There didn't use to be an art gallery nearmy flat There usedto be a cinemaon the Main street didn't use to be cheap/ inexpensive/ usedto be expensive 10 There usedto be a few shoppingcentresin Ankara 361 C l will get usedto the noise is usedto living am usedto him/his being isn't usedto gettingup didn't useto be usedto go am not usedto eating is not usedto drinkins got usedto 10 shegot usedto 12.4 CAUSATIVE VERBS A l have/ get my coat cleaned you have/ get your teethchecked hasn'thad / got the centralheatinginstalledyet have/ get it cleaned had / got your eyestested Have you had / got it / your house(re) decorated havelget my blood pressuretaken had / got my stomachX-rayed have / get your housepainted 10 alwayshave my car washed I have her hair done 12 I haveI getmy car serviced(at the garage)every six months I take my car to the garageevery six months to have I get it serviced 13 are having/ gettingthe leak in our roof repairednow are having someworkersrepairthe leak in our roof now / are getting someworkers to repair the leak in our roof now 14 haveI get your childrenentertained 15 have our teacherexplainthe causativesagain/ get our teacherto explain the causatives again B (has)got Tom / him to wash the car had their wedding photographstakenat a photographicstudio 12.5 VERBS OF PERCEPTION 10 reading snoring I l flying practicing 12 moving steal leave 13 crawl fall win 14 sing/singing open 15 sleeping shout 16 playing playing 17 comins fall trickling 362 18 19 20 21 22 23 24 25 stop yell getout enter ring burning knock break 12.6REVIEW OF GERUNDSAND INFINITIVES A d 2.c6.c 3.b 4.b B I l beingchanged to take meeting watching il buying crying covering going painting to be painted to fill to find to help publishing 10 to let 11 b e i n g 12 to write 13 owning 14 buying 15 to know 16 being 17 to buy 18 spending b 7.d cutting/ to be cut to get telling/ havingtold taking 19 to meet 20 to understand 21 decide 22 being 23 to stop 24 seeing 25 to take 26 puttingoff 27 getting 28 trying 29 to rush 30 to cut 31 hiking 32 to pay 33 walking 34 not finding 35 calling 36 to reach 37 leaving to buy 10 to make 1l to enter 12 taking nnglng to bring 40 beingtold / to be tolt4 giving 42 to stay ^a to 44 doing looking 46 helping 47 staying worry 49 to practise taking to go 52 getting take +J C for making / to make use/ good cornplaining(aboutthe room service) for drawing straightlines/todraw straightlines use it for correcting/useit to correct selling/having sold his car p l a y t e n n i st h a ns w i m point (in) applyingfor this job unlessyou have all the necessaryqualifications his / him taking me to the airport of doing betterwork 10 taking the train / that they (should)take/tookthe train I l people(from) taking the drug 12 worrying about my exam results(althoughI'm sureI'll pass.) 13 is no point (in) takinga shower 14 He didn'tuseto drink / He usednot to drink 15 isn't good at cooking 363 16 17 18 19 20 21 I can't afford (to buy) this jacket her books lying around at writing computerprograms can't standpeople/ people'sinterruptingme while I am working reminded Robert to lock the door spentthreehours cleaningthe house D l 3" of stealing for shouting for being (from) resigning of working like doing of/ about spending to going 13.CONNECTIVES 13.1 EXPRESSING CAUSE AND EFFECT USING SO / SUCH THAT l I was so worried aboutmy examsthat I decidedto stay at home and study a silly excusethat I didn't acceptit was such an interestingbook that I finished it in one day that he neverfails his examinations a hardworkingstudent/person was such a successfulperformancethat the audienceapplaudedfor fifteen minutes He was so successfulthat he graduatedin only three years was such bad news that so deliciousthat she ate threepieces such a densefog that the driverscouldn'tseeanything 10 was such a dull party that the guestsleft early 11 was driving so fast that he couldn'tstop at the red light 13.2 EXPRESSING PURPOSE USING SO THAT, IN ORDER TO AND BECAUSE A becauseD so that A so that F becauseC so thatJ B they not / won't leavefingerprints you don't / won't feel hungry during the exam shouldhandlethe saucepancarefullyso that your hand doesnot / won't get her husband'ssuddendeathMrs Williams had a nervousbreakdown bring excitementinto their lives I didn't tell him the rest of the story so as not to causeany trouble Strict measuresshouldbe taken so as to preventoverhunting 10 becauseI so that B so that H becauseE becauseG c Be quiet so that I can hear what Sharonis saying Last week Mary and Janehired a babysitterso that they could go to a dinner party YesterdayI put the meat in the oven at 5:00 so that it could / would be ready I I could eat it by 6:30 She cashed a cheque yesterdayso that she would have I had enough money to go shopping 364 10 They hurried so that they wouldn'tbe I weren't late for the meeting We locked the door so that we could / would be safe I speededup so that I could overtakethe car in front of me Standup so that I can seeyou Pleaseturn up the radio so that I can listen to the news too The governmentpulled down the old blocks of flats so that they could build the new ones 11 Anne tied a string around her finger so that she didn't / wouldn't forget to take the books she had borrowed back to the library 12 AII motor vehiclesshoulduse unleadedpetrol so that the air pollution can be reduced 13 Turn down the music so that the baby doesn't/ won't wake up D Suggestedanswers make somearrangements Z Doctors/Dentistswear masks it would be easierto reachthe other side the group is very popular breathcigarettesmoke I don't have enoughtime E Suggestedanswers f in order to live a quiet life when he retires so that he could escapefrom the city life becausehe likes being on his own in order to become an actress so that she could be successfulin her career becauseshe likes acting 3" in order to starthis own business so that he could look after his grandchildren becausehe had had a heart attack in order to be healthy so that shecould run faster becauseit was bad for her health in order to learn how to use it so that he can surf the internet becausehe likes playing computer games 14.EMPHATIC STRUCTURES 14.1 CLEFT SENTENCES A was Van Gogh that paintedthe "Sunflowers" I can't stand is (the fact) that David never apologizesfor his mistakes I can't stand about David is (the fact) that he never apologizesfor his mistakes wasn't until I got to the bookstorethat I realizedthat I didn't have any money is that they raise awarenessabout global that I like about Bennetton'sadvertisements issues was Bob Marley who/thatsang"Exodus" that I hate about computersis that they rarely work properly 365 B Instead of 'that' it is possible to use 'who' or 'which' in some cases but it is an informal usage so we prefer 'that' l he wants is to get married was Kate that wore her bestdressto the party last night was her bestdressthat Kate wore to the party last night was to the party that Kate wore her best dress was last night that Kate wore her bestdressto the party makesthejob interestingis the closecontactwith the customers I want is ten minutes' rest I saw was somethingvery appealing stoppedus was his inconsistency 10 I don't understand is why he boasts I f is not Dorothy that is the manager;it's Mary 12 wasn'tmy pursethat I lost;it was my creditcards 13 isn't Europethat I havebeento; it is India 14 isn't engineering thathe is studying;it is economics 15 isn't I / me that is crazy;it's you (that) you need;it's determination 16 is not encouragement 17 is not you that sheloves;it's Bill 18 I needis a pen 19 I like is the way shetreatspeople 20 Ihate is his attitude 21 keepsme fit is jogging 22 is after a war that childrenusually suffer the most 23 was in London that I first saw the film which won two Oscars 24 really inspiredme to startwriting a new book was talking to Smith 25 was Bill that broke the news to me 14.2INVERSION A s ow a s So s oh a s nor / neithercan Nor i Neitherhave B l D i d y o u ?I d i d n ' t Doesshe?I don't Have you? I haven't Will they?I won't Did you? I didn't Had they?I hadn't Are you? I'm not C a n ' ty o u ?I c a n Wasn't he?I was norI neitherwill '7 nor / neitherdoes Nor / Neitherdo s ow i l l 10.nor / neitherdo C 1n 8.d z t) d Oo 4.b 5.d 6.c c c 11.b 12.a d D Were they to enactthat law , therewould be a chaos Were the police to have found out , you would really have gotten into trouble./ Had the police found out, you would really have gotteninto trouble 366 Should you becomeawareof anything, let me know Should he have stolenanything,he will have to be fired' Had I known the truth, I would have rejected doing it Had Bill not droppedhis keys, he would have managedto enterthe house E '7 did the policedoubthis innocence will I investin that company shouldwe constructmore factories has (so much) environmentalpollution takenplace has so much snow fallen here during winter months were theremore rabiescasesthan in this industrialcity making workers redundantcan we savethe factory have I encouragedpeopleto exhibit offensivebehaviour g did the colonel help to plan the curfew but he also supportedthe idea of Coup de'etat 10 enactingnew laws nor by freezingpriceswill the prime ministergain popularity I had they finished their work when the visitorsarrived 12 they tell us what is going on 13 had sheenteredthe room than shewas told aboutthe bad news 14 I was told did Irealize his absence 15 his motherwas watchingme the boy 16 did I realizethat I had forgottenmy briefcaseat home 17 have I beensubjectto such an indecentassault 18 had I switchedon the TV than the lights went out 19 was Mary late, but she also had left all the documentsat home 20 have I heard such a faulty statement 21 readingthe critics did I understandthe hidden messagein the film 22 doesit matter to me what people think of my attitude 23 shouldyou invite him again 24 did the studentdo his homework 25 doesan individual seizean opportunitylike the one that Tom has 15.GENERAL REVISION I5.I CLOZE TESTS Iz l Were didn't came Our 34 walking instrument His any Who the at knitting l.listening 2.fot 3.everY l To from wearing how 361 by reliable a -lA expensive costs/is slow takes/lasts arrive/am safe crowded a some any faces many z who prefers / goes J ought / have A a travel will l z 10 with which / that don't/ won't can on 10 will / to better are has biggest/ largest g leaves arrives gets cheaper costs/ is l went / was / ate had / orderedI ate was enough/ much many always on takes 10 has z There a J in/on between there isn't 11 l in faces view try fit 10 11 12 don't uncle to don't live / are only t2 playing score/get boring/dull going 13 deals earn l4 however/ as on promoted repair / mend/ fix lost/ left for get a J J 368 /1 T refund receipt on excursion local souvenirs 15 l borrow return pay J /1 receiveJ dial busy engaged/ any served much get/go book/reserve ordered/had/ate enough/much bill more T 17 l made had J A a whenever allowed During except 19 most spent up in herself / convince persuade when/ once/ after well 10 while 20 l 18 Lon al who 4.a rold It Although because enough 10 which ll 12 13 14 15 16 17 18 19 20 11 an 12 his 13 While / When 14 After 15 gaveI got I bought 16 became 17 called 18 with 19 where 20 songs/ music out earnings/ profits/ income Despite have/ need unless like / enjoY/ Iove Having for out so 2l made during/ on until did with while on for does L the doors / + up having busy/ engaged 369 1',' 11 we 12 that / which 13 called 14 with 15 example/ instance 16 used 17 than 18 unless 19 are 20 them l- where oldest lot high for have yet by how A s / S i n c e / B e c a u s e 23 l since of for which 10 that I where 12 During 13 for 14 whose after how to still to 24 l /1 with/ about whose in where AS live )< i which due/ owing Although/ Though allow/permit with / having most they with under of 10 in I about 12 about to best 10.nothing 11 c o s t 12 afford t o o k 14.could 15.neither 16.with 17.unable 18.later l e t 20 until / till 26 l how none which / that this / it used about When / After before / previously much / far such 370 11 12 13 14 15 16 17 18 19 20 of a with something so both off until/ till may/ might/ could many 27 1l 12 13 14 15 16 17 18 19 20 l to out awful because/ as / since in over of angrily / threateninglY off/out 10 able 28 10 situated/ located with between interested mind However the preparing/ cooking / making to Despite 31 to the world/ earth or journeys/voyages/triPs are First which/that did Having While If in broken finally / eventually After down unless have 29 for / to far Supposing Suppose/ on / upon (a) round up of with sight 10.down 10 example/instance 11 h a d 12 today 13 However 14 their 15 discovered 16 history 17.is 18 not 30 defined concerned example/ instance well such addition exemplified Although 19 about 20 to 21 the 22 ago 23 lived 24 of 25 distance 15.2MULTIPLE CHOICE TESTS I l J /1 T b d a b 't 10 11 12 b a a b b 13 14 15 16 17 18 19 20 21 22 23 24 c d c a c a a d b d d c 25 26 27 28 29 30 31 32 33 34 35 a d b b d b a c a b c 371 ) td r2 b 2.a 3.c 4.d 5.a 6.b 8.a 10 ll c d a 13 14 15 16 11 18 19 20 21 22 c b a d c d c d b b d 2.c 3.d 4.a 5.a 6.c b 8.c 9.c 11 12 13 t4 15 16 t7 18 19 d a b d c a b a b 10 11 12 i3 14 15 16 c b d c b a d b 17 18 19 20 21 22 23 a c b a c c a 10 11 12 13 t4 15 16 t7 18 d b a d d c c d c t9 20 21 22 23 24 25 26 b d a d a d b d c I 23 24 25 26 27 28 29 30 3r 32 33 20 21 22 23 24 25 26 27 a b b c a c a d d b a d b c b c a c d r0 b ! 2.b 3.c 4.b 5.c 6.b -1 a d 8.a b a b b a b a d a b a d a d 7_ 2.a 3.d 4.b 5.c 6.a 8.a 9.c 10 ll c d b d ! d 2.a 3.d 5.b 6.c d 8.c 9.d 2.d 3.b 4.a 5.c 6.c 8.d 10 d a c b 10 11 12 13 t4 15 16 17 18 c a c b d b c b d 19 20 21 22 23 24 25 26 c c b a c a d a 12 13 14 15 16 17 18 19 20 21 c a b a a b c a b c 22 23 24 25 26 27 28 29 30 31 d a a c a b d c a c 10 ll 12 13 14 15 16 17 18 b b c a d d d a b 19 20 21 22 23 24 25 26 27 c a c b d a d a a 11 12 13 14 15 16 17 18 19 20 b b b a c b a d c a 21 22 23 24 25 26 27 28 29 30 a b c d b d d b b a 313 10 l d a J q b a b d 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 c c b a c d b a b c c a d b a b a c 11 1^ l v al L.(-l 3.b 4.d 5.c 6.a a 8.c c 10 11 12 13 t4 15 16 17 18 19 d b d c d b d c b b 20 21 22 23 24 25 26 27 12 d l 2.c 3.b 4.d 5.b 6.a b 8.c 13 c 2.b ?q 4.a 5.c 6.d 8.b 9.d 10 11 12 13 14 b a a c c 314 9.a 10 11 12 13 14 15 16 c d c a c a a 15 16 11 18 19 20 2t 22 23 24 25 26 27 a c b d a d d d a b c b c b a c d c a d b 17 18 19 20 21 22 d b a d c a 15 c 28 29 30 31 32 33 34 35 36 37 38 39 40 c a b d a d b d c d b d b t4 l" 2.d 3.a 4.b 5.c 6.c 8.d 9.a 10 11 12 13 14 c d a b d t5 l c b 15 16 17 18 19 20 b 2r d a b c c a b 25 d 26 a 2',7 a 28 29 30 31 32 33 34 35 36 37 38 39 40 a b a b c b d c a d c c d 10 ll t2 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 a c b d c c a d c d 22 d 23 b z.a 3.c 4.d 5.b 6.b c 8.d c d c b a a c d c b b 375