Focus of present perfect 8 pdf

... a new 100-watt bulb; this one ________ ________ yesterday. 10. FOCUS ON: phrasal verbs used as nouns, 1 Many two-word phrasal verbs can be used as nouns. All the verbs in this section have a ... any longer, and she asked him for morphine. 9. FOCUS ON: two-word phrasal verbs that require an additional particle when used with an object, 1 With some two-word verbs you...

Ngày tải lên: 01/11/2013, 12:20

... 10 3.00 5 8 13 78 PART TWO SUPPLY AND DEMAND I: HOW MARKETS WORK Ben’s Supply Price of Ice-Cream Cone Price of Ice-Cream Cone ؉ Jerry’s Supply 0 1 2 3 4 5 6 7 8 9 10 11 12 Quantity of Ice-Cream ... and demand Price of Ice-Cream Cone $2.00 0123456 789 101112 Quantity of Ice-Cream Cones 13 Equilibrium quantity Equilibrium price Equilibrium Supply Demand Figure 4 -8 T HE E Q...

Ngày tải lên: 15/12/2013, 11:15

... Owners 0 100,000 200,000 300,000 400,000 500,000 600,000 700,000 80 0,000 1,000,000 Annual Median Take-Home Income per Owner Solos $ 384 ,900 Ensembles $762, 287 Dollars FIGURE 4.3 Annual Median Revenue per Client $2,269 $1,399 $8, 456 $6,9 38 1 Principal 2 ... Proactive Contacts/Year Top-Priority Clients 3 8 11 Average Clients 2 4 6 Low-Priority Clients 1 2 3 Source: â Advisor Impact...

Ngày tải lên: 21/01/2014, 23:20

... sugarcane production in many parts of Brazil such as atrazine, carbofuran, endosulfan, fipronil, metribuzin, simazine and others. Environmental Impact of Biofuels 1 48 temporary in nature. ... Fig. 3. Possible social costs and benefits of the biobased economy Environmental Impact of Biofuels 140 because of increased cost of production of corn, in addit...

Ngày tải lên: 19/06/2014, 12:20

... cho cô bạn gái của anh ấy. Đó là lần thứ ba anh ấy gọi điện cho cô ấy chiều nay. Unit 8. Present perfect (2) A Hãy xem mẫu đối thoại dưới đây: Dave: Have you travelled a lot, Jane? Bạn ... chúng ta đề cập tới một khoảng thời gian liên tục từ quá khứ đến hiện tại, chúng ta dùng thì present perfect (have been/ have travelled …) Ở đây Dave và Jane đang nói về những nơi...

Ngày tải lên: 22/06/2014, 20:20

... somewhere before. somewhere before. 19 Review of the past simple, continuous and perfect 20 The past perfect continuous 19 Exercises 1 Past simple, continuous and perfect (A-D) Look at these sentences ... For irregular past participles see page 383. C Present perfect and past perfect Compare these examples. PRESENT PERFECT (before now) PAST PERFECT (before th...

Ngày tải lên: 09/08/2014, 07:22

... 21 Review of present and past tenses A Introduction Study the verb forms. Claire is ready to go on safari. Present continuous: She is waiting for her guide. Present simple: ... done or I did? (Units 14-15) PRESENT PERFECT PAST SIMPLE The present perfect tells us about the past and the The past simple tells us about the past, a time present. which is finished. They ... p...

Ngày tải lên: 09/08/2014, 07:22

... done? (Unit 17) PRESENT PERFECT CONTINUOUS PRESENT PERFECT We use the present perfect continuous for an We use the present perfect simple for a complete action over a period of time leading ... past. PAS! PERFECT CONTINUOUS PAST PERFECT We use the past perfect continuous for an action We use the past perfect simple for a complete over a period of time. We are...

Ngày tải lên: 09/08/2014, 07:22

... Rachel could use any of these in her letter. C Will We often use will as a neutral way of expressing the future, but it is not 'the future tense'. It is only one of the forms we can ... might watch it. 4 We're off at last. We arrive in New York at seven. 5 This train is never on time. We always arrive late. 3 Present and future (A-D) Read each pair of senten...

Ngày tải lên: 09/08/2014, 07:22

... the present simple for the future after if (see Unit 144). If you come in late tonight, please don't make a noise. C Present perfect After a linking word of time, we can often use the present ... houses. Most of them (4)……………………………… (be) for young families. And we intend to take care of the environment. (5) …………………………………… (we / not / cut) down all the trees, only a...

Ngày tải lên: 09/08/2014, 07:22

... the present simple for the future after if (see Unit 144). If you come in late tonight, please don't make a noise. C Present perfect After a linking word of time, we can often use the present ... events) The ship will be sailing soon, (part of our journey) More than one form is often possible. Will (Unit 23) or the present continuous (Unit 26A) often have a very simil...

Ngày tải lên: 09/08/2014, 07:22

... He won lots of prizes before he was twenty. By the age of twenty-five he had had his own exhibition. He was the subject of a TV documentary by the time he was thirty. By the age of thirty-five ... exhibition by the age of twenty-five. 2 I wonder if by the time I'm thirty. 3 Maybe ………………………………………………………………………….by the age of thirty-five. 4 I hope by the age of...

Ngày tải lên: 09/08/2014, 07:22

... We've just had a game of tennis. had = 2 My father has a cup of cocoa every evening, has = 3 We've just had three weeks in Morocco. had = 4 Claire had lots of presents on her birthday. ... classes will begin. 8 I will to have finished lunch by two o'clock. Test 7C Put in a form of the verb. Use the future continuous (will be doing), the future perfect {will...

Ngày tải lên: 09/08/2014, 07:22

... I'd love to. May I use your phone? ~ Yes, of COURSE B Form A yes/no question begins with an auxiliary verb. An auxiliary verb is a form of be or have or a modal verb e.g. can. The auxiliary ... before the subject. Have you been working? Could we have done better? In the present simple and past simple we use a form of do. AUXILIARY SUBJECT Do the buses run ever y da y...

Ngày tải lên: 09/08/2014, 07:22

... chairs, please? ~ Yes, of course. OR I'm afraid I'm rather busy. Suggestion: Shall we have a coffee? ~ Yes, OK. OR Sorry, I can't. I have to go. Offer: Can I give you ... time to go? ~ Yes, it is. It's ten past eleven. Note that in the present simple and past simple we use a form of do. Do you like classical music? ~ Yes, I do. NOT Y ES I...

Ngày tải lên: 09/08/2014, 07:22