Class 11 Test 1 Present simple and present progresive tenses Class 11 Test 1 Present simple and present progresive tenses Ex 1 Chia c¸c ®éng tõ trong ngoÆc ë th× hiÖn t¹i tiÕp diÔn 1 She ( not work) ;[.]
Class 11: Test 1- Present simple and present progresive tenses Ex 1: Chia động từ ngoặc hiƯn t¹i tiÕp diƠn 1.She ( not work)…………………….; she ( swim)………………… in the river He ( teach)………………………… his boy to ride The aeroplane ( fly )…………………………at 2,000 meters " What Tom ( do)……………… now? - " He ( clean)…………………his shoes " It ( rain) ……………………….?" - Yes, it ( rain )………………….very hard She always ( ring)…………………….up and ( ask)……………….questions Ann ( make)…………………….a dress for herself at the moment " Where ( be)……………Tom?" - " He ( lie)…………………… under the car." 10 I can't hear what you ( say)…………………….The traffic( make) ……………… Too much noise Ex 2: Chia động từ ngoặc đơn hay tiếp diễn 1.Mother ( read).the newspaper now Those children ( sleep)…………………………for two hours every afternoon We always ( do)…………………………our English lessons carefully At present, he ( work)……………………… for a foreign company Just a minute! I ( look)……………………………up that word in the dictionary We ( study)……………………………the use of verb in English at the moment The earth ( go)…………………………around the sun once every 365 days That student ( know)………………………all of the new words very well now He generally ( sing)……………in English but today he ( sing)…………… in French 10 The teacher ( point)…………………at the black board when he ( want) …………… to explain something Ex 3: Chia ®éng tõ ngoặc đơn hay tiếp diÔn Hurry up! The bus ( come)…………………I ( not want)…………………to miss it Listen! Somebody ( sing)…………………………………… How often ( you / read )…………………………….a newspaper? the sun always ( rise)…………………….in the east Look, it ( rise) ………………… I ( hear)………………….you, I ( know)…………… what you ( say) ……………… The concert ( start ) ……………… at 7.30 this evening Ann, we ( go)………………………to town.( you / come)……………………with us? She (have)…………………coffee for breakfast every morning I ( see)…………………….that you ( wear)……………… your best clothes 10 She sometimes ( buy)…………………….vegetables at this market Ex 4: Viết dạng động từ ngoặc đơn hay tơng lai đơn 1.He (learn) French when he (have)………………… time 2.They (not go)………………… on working until the rain (stop) …………………… 3.I (not do) ……………………….it until they (tell) ………………………me to 4.They (come) …… to see their grandparents before they (leave) ……… for New York 5.She (learn)……………one more foreign language when she (go ) ………….to university 6.They (not go) ……………………….home until it (stop) …………………….raining 7.Where you (be)………………………… at this time tomorrow? 8.I (be)……………………… at the meeting 9.Nobody (know)……………… what he (do) ………………….to earn his living after he (finish)………………………… school 10.When we (meet) …………………………… again? 11.We (meet)………………….again when I (return) …………… home from Australia 12.10 He (be) …………… busy at the moment But he (come) …………………… to give you a helping hand as soon as he (finish) ……………………… his work 13 We'll go out when the rain ( stop)……………………………… 14 I ( stay)……………………… here until he ( answer )……………………me Ex 5: Chia động từ ngoặc đơn , tơng lai đơn hay tiếp diÔn When you ( go) ……………………………into the office , Mr John ( sit) …………… ………… at the front desk Our English teacher ( explain)…………………………that lesson to us tomorrow When you (come)…………………………… today, I ( work)…………………… At my desk in room 12 Please wait here until the manager ( return)……………………………………… Don't leave until you( see)…………………………………… her The Browns (do)……………………………… their housework when you ( come ) next Sunday Ex 6: HÃy cho dạng ®éng tõ ngc How much fruit that farmer ( produce ) every year? We (waste ) too much power at the moment He ( buy) a new house next month? The Nile River ( be) the longest river in the world and it ( flow) .to the Mediteranean Sea Mr and Mrs Thanh ( not grow ) .vegetables in their garden What about ( play) basketball this afternoon? Viet Nam ( have) a lot of mountains, and there ( be) many tall and big trees there We shouldn't ( throw ) trash on the street Ex 7: HÃy chọn đáp án để hoàn thành câu sau: 1.What's name? - His name is Henry A his B her C your D my I'm a pupil - I'm a , too A teacher B pupil C student D doctor Is this your pencil? - No, it isn't It is pencil A his B my C your D hers Are these your coats? - Yes they are A their coats B ours C our coats D yours Are your free Friday evening? A in B at C on D from There ……… a yard in our school a is b are c am There are two ……… in our sitting room a bench b bemchs c benches Are these your children and what are ……… names? a his b her c their Class 11: Test Ex 1: HÃy chọn đáp án để hoàn thành câu sau: My mother is home a in b at c on Lam ………literature on Monday and Friday a not have b don’t has c doesn’t have It’s twelve o’clock, Nam Let’s ……….home a go b to go c.going d goes Tuan and I ……….badminton in the yard a playing b is playing c are playing d am playing This sign says “Stop” We … go straight ahead a can b don’t can c must d must not They are going to NewYork …… plane a in b by c with d on Viet is ……….something on his book a writing b writing c wrote d writes My sister and I ……… television in the living-room now a am watching b are watching c.is watching d watching ……….do you go to school? a How b By what c How many d How by 10 How many floors ………… in your school? a there are b there has c are there d have there 11.This is my father ………name’s Ha a His b She’s c Her 12 What ………… his brother do? a b does c is 13 “…………… is my book?”- “ It’s on the table” a Where b What c How Ex 2: Viết dạng động từ ngoặc 1.They (often build) hotels, but this year they (build) hospitals Hurry up! The bus (come) My mother is saving money because they (buy) a new house next year We’ll go out when the rain (stop) 5.Mr Thanh (be) a doctor He (work) in a hospital in the city center Everyday he (catch) the bus to work 6.We (not go) camping next week We (visit) the museum I like (join) your club Hurry up ! We (wait ) _ for you If you (be) slow, we (miss) the bus My mother is saving money because they ( buy) _ a new house next year 10 She is preparing her trip now She (visit) her friends tonight 11 You (be) _ free next Saturday morning? – No, I (visit) _ my grand mother 12.Trang (not be) _ in her room at the moment She (cook) _ in the kitchen 13.Would you like (have) breakfast with eggs? 14.Lien (not go ) to the movie theater tomorrow She (stay) _at home 15.The train for Hanoi (leave) at 7.30 tonight 16.I (know) you (be) busy now 17.Lan (not have) many new friends in her new school 18.Hung (come) from Vinh, but he (stay) with his relatives now 19.We (not drive) to work every day We (go) by bus 20.Who (talk) on the phone, Nam? Ex 3: Viết dạng động từ ngoặc 1.The farmers in my village often (begin) _their work very early in the morning 2.Hoa (keep) _ her teeth very careful She (brush) _ her teeth twice a day 3.I’d like (go) fishing I (go) _ fishing when I (have) _free time 4.What your father usually (do) in the evenings ? He usually (watch)TV He (not talk) to her at present He (be) out at the moment but he (be) back at about seven o’clock I can (see) the children They (play) in the yarD Would you like (listen) to music ? No, thanks I like (read) books 10 Don’t worry I (give) him your message when I (see) him 11 Look! Jane (play) the guitar this afternoon she (play) table tennis 11,Look ! they (climb) ……………………………………… the tree 12, The school cafeteria (open)……………………… …… at 7.a.m every day 13, I always (study)………………………………… English for two hours at night 14 It’s p.m now I (study) ………………………………… English 15 What’s your favorite subject? I (like)………………………………………….history Ex 4: Đọc đoạn văn trả lời câu hỏi My name is Lan I am 12 years old I am a student at Hoang Dieu School My father is a farmer He grows vegetables and raises cattle on our farm in the countryside My mother is a teacher She is always busy at school I have an elder sister, Mai She is a nurse, and she works in a hospital I love my family very much 1.How old is Lan? ………………… …………………………………………………………… 2.Who is always busy at school? ………………… ………………………………………………………… , ………………… 3.What does Lan s father grow? ………………………………………………………… ………………… 4.Where does Mai work? ………………………………………………………… Class 11: Test Ex 1: Viết dạng động từ ngoặc He often ………………………………… (go) to school on foot It ……………………………….(rain) very hard now The sun ……………………… (warm) the air and ……………….(give) us light Look! A man ………………………………….….(run) after the train 5 She ……………………………… (go) to school everyday Bad students never ………………………………… (work) hard Mother ……………….(cook) some food in the kitchen at the moment, she always ……………….(cook) in the morning I always …………………………… (meet) him on the corner of this street Where you ……………………….(go) now? – I ……………….(go) to the theater 10 He …………………………………… (not do) morning exercises regularly 11 He …………………………………… (do) morning exercises now? 12 He ………………………………… … (meet) the dentist next week 13 You ……………………………………… (be) a good student? 14 They usually ……………………………… (not go) to school by motorbike 15 He ……………………………………….… (swim) overthere now 16 She ………………………………………… (come) here next month 17 They ………………………………………… (not be) doctors 18 He often …………………………………………… (get) up late 19 You often …………………………………………….(watch) TV? 20 Mr Brown ……………………………… (listen) to music now? 21 I usually ……………………………… … (go) shopping on weekend 22 Hai often …………………………… ……(wash) his face at 6.15 23 She …………………………………….(play) badminton at the moment? 24 Thanh and Mai always …………………….…………(see) a movie on Saturday 25 He often …………………………………….…(take) a bus to school? 26 We …………………………………… (be) students in class 8A 27 She often ………………………… ……(not do) homework in the evening Ex 2: Chia động từ ngoặc dạng 1.He usually (take) a taxi to the airport They usually ……………………………… …(not go) to school by bike They ………………………………… …(be) beautiful? Manh …………………………….…(not play) soccer at the moment Minh ………………………………… (play) shess with Nam at the moment They often …………………………………(visit) their parents on Saturday she ………………………………… (study) now? My and I always ……………………………… …(go) to the countryside He …………………………………………….(not be) at home now 10 Hanh ……………….…………………….(not read) book at the moment 11 Our teacher usually …………………………………(give) us many exercises 12 He often ……………………………….…(catch) a train to work 13 The cat ………………………………………(catch) mouse 14 They …………………………………….(plant) trees overthere at the moment 15 My old friend, Manh ………………………………….…(write) to me twice a month 16 What she says ………………………………….…(be) true 17 Where she ……………………………………(buy) her breakfast every morning? 18 Bien often ……………………(not phone) to me 19 Mrs Green always……………………(take) a bus to work But now he …………… …………………(drive) to work 20 Look! The ball ………………………………….(fall) down Ex 3: Viết dạng động từ ngoặc He usually ……………………(water) the trees in the morning She ………………………………….…(not listen) to the radio now The sun ……………………(rise) in the East and ………………… (set) in the West He ……………………………………………(play) table tennis at the moment Mo and Nguyen …………………………………… …(sing) the same song now They always ………………………………… …(make) noise in the class Hung often …………………………… ……(not go) camping in the summer Hanh ……………………………… …(not read) with the friends at the moment Son ……………………………………(write) to their friends every summer holiday? 10 What you …………………………………… (listen) to the radio now? 11 Listen! Someone ………………………………….…(cry) 12 Kien and Tuyen …………………………………………(be) good friends 13 She …………………………………….…(go) to work by bus tomorrow 14 you ………………………………… …(.plant) trees a long this street next month 17 he ………………………………….…(write) to his friend next week? 18 He often ………………………(pick) his friend up at the rain way station morning 19 She ………………………………….(watch) a romantic film on TV this evening Ex 4: Chia ®éng tõ ngoặc dạng you often (do) your homework in the evening? I ……………………………………… (read) an interesting novel at the moment you usually ……………………………………………(watch) TV in the evening? They always ……………………………… …(talk) to each other in the weekend They …………………………………………….(play) soccer at the moment She often ……………………………………(not go) shopping on weekend They ……………………………………………(not be) classmates he ………………………………………… (be) your father? she ……………………………………….(listen) to music now? 10 Thanh and Hung ……………………….…(read) a wonderful story at the moment 11 Mai and Hang …………………………………(not play) the game at the moment 12 I often ………………………………………… (wash) my clothes 13 She …………………………………….(not be) at home now 14 you often …………………………………………… (write) to your friend? 15 Mr Mai …………………………………… (water) the plant every morning 16 We ……………………………… (meet) each other twice a month 17 He ……………………………………………(listen) to the telephone at the moment 18 They always ……………………………………….(not go) to the school by train 19 He …………………………………….(drink) beer at the bar at the moment 20 They usually ………………(sing) in the early morning 21 My and Thanh ………………(talk) on the telephone now? 22.They ……………………………………(plant) trees every early year 23.He ………………………………………….(not study) Math at the moment ………………she …………………(play) badminton every afternoon? Class 11: Test 5- past simple Ex 1: Chia động từ ngoặc, sử dụng thích hợp Bad driving (cause) many accidents Sue can (speak) Vietnamese very well Mozart (write) more than 600 pieces of music We usually (go) to the library three times a week, but last week we (go) twice Alexander Graham Bell (introduce) the telephone in 1876 Yesterday I (be) busy, so I (not have) time to phone you Would you like (come) to dinner tomorrow? 8They (award) .him a medal for bravery last year Mr Brown used (play) football when he (be) young 10 you (go) out last night? 11 Last night I (go) to bed late Suddenly I (hear) a noise I (get) up to see what it (be) but I (not see) anything 12 What you (use) to in your free time? – I used (go) fishing 13 Martha (phone) me yesterday She’s on holiday in France She (have) .a great time and (not want) to come back 14 My parents used (live) in Hue They (be) born and (grow) up there In 1969, they (move) to Da Nang and then to Saigon At present we (live) .in a small house in HCM City Ex 2: Chia động từ ngoặc, sử dụng thích hợp Its difficult (climb) this mountain You must (take) an umbrella It (rain) .now When I was a child, I used (spend) hours playing with a tin box In England the sun (not shine) every day Do you remember the film we (see) last week? Everyone stopped (laugh) when we (come) Sandra practices (speak) her English more frequently An is in hospital I (visit) him tomorrow I like (think) carefully about things before (make) a decision 10 Ask him (come) in Don’t keep him (stand) at the door 11 Don’t forget (lock) the door before (go) .to bed 12 Did you succeed in (solve) the problem ? Let me (suggest) some solutions 13 Steve used (be) a football player He had to stop (play) .because of an injury 14 I prefer (walk) .to (ride) 15 Don’t try (persuade) me Nothing can make me (change) my mind 16 The teacher ordered Tom (go) to the blackboard 17 I learned how to swim when I (be) very young 18 He said that his mother (not be) very well, so he can not (go) to the party 19 When we (meet) George and Linda yesterday, we (walk) .through the park 20 “What you (do) at eight o’clock last night?” - “We (watch) television Ex 3: Chọn đáp án nhất.: She feels tired and sleepy (so/ because/ but/ and) she stayed up late watching TVlast night William suggested (to stay/ staying/ stay/ stayed) at home for a change What about (to go/ go/ going/ have gone) for a ride? Can you turn (on/ off/ in/ for) the light? It’s too dark If it is raining this evening, I (will go out/ don’t go out/ go out/ won’t go out) The baby (laughed happy/ happily laughs/ laughed happily/ happy laughed) as she played with her toy Who is going to (look for/ look up/ look after/ look out) your children when you are at work? Mary’s eyes are weak (but/ however/ and/ therefore), she has to wear classes (Why don’t we/ I suggest/ How about/ Let’s) put all the guests on the first floor? 10 I am very tired (so/ because/ but/ and) I have to finish my homework before going to bed 11 She missed the train (so/ because/ but/ and), she went to work late 12 Lan suggested (to go/ going/ go/ went) out 13 Let’s (to go/ go/ going/ have gone) for a ride 14 Can you turn (on/ off/ in/ for) the TV? I want to see the film 15 If it is raining tomorrow, I (will stay/ don’t stay/ stay/ won’t stay) at home 16 The baby (cried loud/ loudly cried/ cried loudly/ loud cried) as Ba picked her up 17 Who is going to (look for/ look up/ look after/ look out) your house when you are out? 18 I was tired (but/ however/ and/ therefore), I went to bed 19 (Why don’t we/ I suggest/ How about/ Let’s) putting all the guests on the first floor? 20 Lan is very tired (so/ because/ but/ and) she has to finish my homework before going out 21 Our teacher asked us ( to work / work / working ) hard for the exams 22 .We should (select /destroy / recycle / produce ) waste paper to save money and labor 23 They were amused ( in / at/ about / with ) the T.V programs ,last night 24 Oliver Twist was ( happy/ unhappy / beloved ) that he ran away to London Ex 4: Chia ®éng tõ ngc: Tourists could see fish (swim) along the brook We enjoy (swim) along this river The form teacher has asked Jack (write) an essay on the Thames It sometimes may be dificult (get) a taxi during rushhours The rain has made th children (stop) their games She tells th driver (take) her to the railway station Does Mrs Green have them (carry) those books back home? The principal notied those pupils (try) harder and harder Children have just stopped (play) football 10 They keep (talk) about an old friend they met yesterday 11 Is Black Pool (visit) by thousands of tourist each year? 12 We hears Mr Brown (park) his car near the gate 13 They’ve finished (do) their homework 14 They had their house (paint) before Tet holidays 15 I advised him (wait) for me at the airport 16 Would you mind (help) me with this work? 17 Do you smell something (burn) in the kitchen? 18 Mother requests her daughter not (come) back home late 19 We shall have the grass (cut) tomorrow 20 They noticed lots of sheep (graze) in green meadows Class 11: Test - past simple tense Ex 1: Viết dạng khứ ®éng tõ sau Go …………………………… eat…………………………… drink………………… Have…………………………… be…………………………… visit ………………… learn …………………………….study …………………………get ………………… buy …………………………… finish………………………… end ………………… Begin start cook Find.look.take Ex 2: Viết dạng phủ định nghi vấn cho câu sau 1.I went to school yesterday ………………………………………………………………………………………… 2.She wrote a letter to her friend ………………………………………………………………………………………… 3.My grandfather helped her ………………………………………………………………………………………… She wore uniform to work ………………………………………………………………………………………… She ate bread for breakfast yesterday……………………………………………… ………………………………………………………………………………………… 6.We visited Hanoi last summer……………………………………………………… ………………………………………………………………………………………… They were at school yesterday……………………………………………………… ………………………………………………………………………………………… She had noodle for breakfast this morning…………………………………………… ………………………………………………………………………………………… His parents always took them to the zoo……………………………………………… ………………………………………………………………………………………… 10 Lan and Mai often watched TV in the afternoon…………………………………… ………………………………………………………………………………………… Ex 3: §ỉi câu sau sang khứ đơn I go to work by bus. ……………………………………………………………… I meet her on Tuesdays. …………………………………………………………… He always wear black. -> ……………………………………………………………… She gets up at 6.30. ……………………………………………………………… He understands me. ……………………………………………………………… She shuts the shop at 6, …………………………………………………………… She speaks slowly. ……………………………………………………………… She leave the house at 9. ………………………………………………………… I read a chapter every night. ……………………………………………………… 10 You eat too much. Ex 4: Đổi câu sau sang thể phủ định nghi vấn She saw your brother. ……………………………………………………………… …………………………………………………………………………………………… She heard a terrible noise. ………………………………………………………… …………………………………………………………………………………………… He slept till 10. ……………………………………………………………… …………………………………………………………………………………………… He looked the picture. ……………………………………………………………… …………………………………………………………………………………………… They drank all the wine. …………………………………………………………… …………………………………………………………………………………………… They set out early. ……………………………………………………………… …………………………………………………………………………………………… She thought about it. ……………………………………………………………… …………………………………………………………………………………………… The police caught the thief. ………………………………………………………… …………………………………………………………………………………………… He hid the letter. …………………………………………………………………… …………………………………………………………………………………………… 10 She found her watch. ……………………………………………………………… …………………………………………………………………………………………… 11 They chose this hotel. …………………………………………………………… …………………………………………………………………………………………… 12 He taught Japanese. ……………………………………………………………… …………………………………………………………………………………………… 13 Tom hurt his foot. ……………………………………………………………… …………………………………………………………………………………………… 14 His wife came at 8. ……………………………………………………………… …………………………………………………………………………………………… 15 Mai wrote a letter yesterday. …………………………………………………… …………………………………………………………………………………………… 16 He lost his wallet. ……………………………………………………………… …………………………………………………………………………………………… 17 They flew to New York. ………………………………………………………… …………………………………………………………………………………………… 18 He broke his arm. ……………………………………………………………… …………………………………………………………………………………………… Ex 5: S¾p xếp động dạng khứ vào cột cho ®óng Looked , happened, started, stopped, changed, loved , liked, tried, remembered, helped, rented, talked, arrived, played, visited, washed, advised, hoped, carried, studied, preferred, listened, learned, repeated, returned, painted /t/ / id / /d/ Class 11: Test - present perfect Ex 1: chia động từ ngoặc hoàn thành They (not speak) to each other since they quarelled 2.I wonder where he (live) since then You already (drink) three cups of tea since I sat here 4.I (wait) here for her since o’clock and she (not come) yet 5.John (do) his homework already 6.We (go) .on a picnic in the countryside several times before I ( not see) .him today How much you ( pay) .for it? She ( feed) the dog? 10 They ( do) their homework? 11 You ( find) your book? 12 You ( be) here before? 13 She ( have) breakfast 14 Someone ( take) my bike 15 He ( go ) to Canada? 16 He ( lose ) .his key 17 I ( not work) today 18 We (buy) a new lamp 19 We (not / plan) our holiday yet 20 Where (be / you) ? 21.He (write) five letters 22 She (not / see) him for a long time 23 (be / you) at school? 24 School (not / start) yet 25 (speak / he) to his boss? 26 No, he (have / not) the time yet Ex 2: Hoàn thành câu sau dùng hoàn thành you / answer / the question? Jenny / lock / the door? Walter / call / us? you / see / the picture? your parents / get / the letter? it / rain / a lot? how often / we / sing / the song? Maureen / watch / the film? how many books / Bob / read? 10 ever / you / be / to London? 11 Bob / visit / his grandma 12 Jimmy / play / on the computer 13 Sue and Walter / wash / their car 14 Andrew / repair / his bike 15 Phil / help / Anne with maths 16 Brad and Louise / watch / a film 17 Tamara / talk to / her best friend 18 Bridgette / draw / a picture 19 Carol / read / a computer magazine 20 Tom and Alice / be / to a restaurant 21 Sarah / not / wash the dishes 22 Anita / not / clean the kitchen 23 Maureen and Gavin / not / water the plants 24 Jane and Ben / not / tidy up their rooms 25 Joey / not / make his bed 26 David / not / buy milk 27 Lisa / not / be to the baker's 28 Aran and Jack / not / their homework 29 Alex / not / feed the chickens 30 Hazel / not / empty the bin Ex 3: Chia động từ ngoặc khứ đơn hay hoàn thµnh How long you ( live) .here? Shakespeare ( write) a lot of plays I ( not see ) .for years He ( leave) home at o'clock He ( just / go ) out He ( go) out some minutes ago I ( meet) her last June You ( see) .the moon last night? How long she ( learn) English? 10 When you ( start) .learning English? Ex 4: Điền giới từ sau vào chỗ trống: at, on , in , after , before , between Mozart was born Salzburg .1756 I haven't seen Mary for a few days I last saw her Wednesday The price of electricity is going up November I 've been to a party 14 February There are usually a lot of parties New Year's Eve Saturday night I went to bed 11 o'clock I usually all my homework going to School The course begins January and ends April The weather is very hot June and August 10 I'm busy just now but I'll be with you I finish the work Ex 5: Hoàn thành câu sau sử dụng " for" hc " since" She's been in London Monday Mike has lived in Hanoi .four years I haven't written to her .January We've seen this film o'clock I've known her we were at the elementary school My father has worked for that company 20 years They've played football .2 p.m Nobody lives in those houses They've been empty many years I (see) her before I (see) her last year Tom never (be) in Hanoi I (read) the novel written by Jack London several times before What you (do) yesterday? You (watch) TV last night? She (be) born in 1980 He (write) a book since last year Mr Green (teach) English in this school since he (graduate) from the university in 1986 10 How long you (learn) English? Ex 6: ... your children and what are ……… names? a his b her c their Class 11: Test Ex 1: HÃy chọn đáp án để hoàn thành câu sau: My mother is ………home a in b at c on Lam ………literature on Monday and Friday a... ………………………………………………………… Class 11: Test Ex 1: Viết dạng động từ ngoặc He often ………………………………… (go) to school on foot It ……………………………….(rain) very hard now The sun ……………………… (warm) the air and ……………….(give)... ………………………………………….(not study) Math at the moment ………………she …………………(play) badminton every afternoon? Class 11: Test 5- past simple Ex 1: Chia động từ ngoặc, sử dụng thÝch hỵp Bad driving (cause) many accidents