Unit 5 Educational exchanges Grammar

Warming up the Great wall Travelling is fun for me. I have been to the Forbidden City the Great wall

I have visited the Summer Palace the Temple of Heaven

Tian’anmen Square I have stayed in Beijing for 2 weeks.

I have been to the Great wall and the Forbidden City. I have visited the Summer Palace and the Temple of Heaven. I have stayed in Beijing for 2 weeks. The present perfect

A The present perfect tense We use the present perfect tense to talk about things that happened in the past but have a connection to the present in some way.

have has Things to remember Work out the rule We form the present perfect tense with _____ or _____ + the past participle (过去分词) of the main verb. have has Things to remember I / You / We / They have = I’ve/You’ve/We’ve/They’ve He/She/It has = He’s/She’s/It’s have not = haven’t has not = hasn’t The past participle of a regular verb is usually the same as its past tense. You can find the past participles of some irregular verbs on pages 141 and 142.

Revision Past participle regular irregular talk-- live-- study-- plan-- talked--talked lived--lived studied--studied planned--planned come-- send-- fly -- came--come sent-- sent flew--flown Past participle

have met have played has cooked have studied have seen haven’t visited Eric has been in Beijing for a week. Complete his email to his mother with the present perfect tense of the verbs in brackets. To: Mum From: Eric Dear Mum, I’ve been in Beijing for a week now. I (1) ___________(meet) my host family. They’re really friendly. My host brother Wei and I (2) ___________ (play)a lot of football at a park near his home. We both enjoy football very much. Mrs Li, my host mother, (3) ___________ (cook) me delicious Chinese food. I (4) ______________ (study) Chinese with my British classmates. We (5) ___________ (see) some places of interest in Beijing too. However, I (6) _______________ (not, visit) the Great Wall yet, and I (7) ____________ (not, do) any shopping either. I’ll do these things next week. Love, Eric have met have played has cooked have studied have seen haven’t visited haven’t done

Form of the Present Perfect Tense

B The present perfect tense with already, yet, ever and never We can use already, yet, ever and never with the present perfect tense. Sarah has already seen many places of interest in Beijing. Have you seen the Great Wall yet? No, I have not seen the Great Wall yet. Have you ever visited the Summer Palace? No, I have never visited the Summer Palace. Work out the rule We can use the adverbs already, ever and never ( before/after) have/has and (before/after) the main verb. We often use yet at the ( beginning/end ) of a question or a negative sentence(否定句).

Words in the present perfect tense ever (曾经) 疑问句 never(从不) 否定句 yet(仍然) 否定句/疑问句 already(已经) 肯定句

Already and yet Ever and never Zhen Hui is not hungry. She has already eaten. Sun Fei is hungry. He has not eaten yet. Have you eaten yet? Ever and never Have you ever visited Guangzhou? Yes, I have. No, I’ve never visited it.

S1: Has Alice ever seen Big Ben? S2: No, she hasn’t. She’s never seen Sarah wants to know whether the students from Beijing have visited any places in London before. Ask and answer questions in pairs. Follow the example. See Big Ben Visit Tower Bridge Tour around Buckingham Palace Alice x √ （two years ago） George √（one and a half years ago） Robin √ （one year ago） S1: Has Alice ever seen Big Ben? S2: No, she hasn’t. She’s never seen Big Ben. S1: Has she ever visited Tower Bridge? S2: Yes, she has. She visited it two years ago. …

S1: Have you done any shopping yet, Alice? B2 Later Sarah is asking the students from Beijing about what they have and have not done in London. Ask and answer question in pairs. Follow the example. Do shopping See Big Ben Alice x √ George Robin S1: Have you done any shopping yet, Alice? S2: No, I haven’t done any shopping yet. S1: Have you seen Big Ben yet? S2: Yes, I’ve already seen it.

Summary 区别 结构 常见连用词 现在完成时 （表示过去发生的动作对现在造成的影响或结果） have / has +过去分词 haven’t / hasn’t + 过去分词 Have / Has + 主语 + 过去分词 this day， these days，now，already，ever, yet, just, before, recently, up to now, in the last few years ... 一般过去时 （表示单纯的过去的事实或状态） 主语+动词过去式+其他 主语+didn‘t+ 动词原形 Did+主语+动词原形 yesterday, last X, just now, then, X ago, in 1994 ... 注意：在用when提问的句子中，一般都使用一般过去时。

用所给动词的正确形式填空。 1. I _______ never _______(speak) to a foreigner. 2. — _______ Tom _______(return) the book to you？ — Yes, he has. 3. — Let’s go and see the film The Smurfs 2! — No, thanks. I ______ already ______(see) it twice. 4. Please turn the radio down. Tim ______ just ______(fall) asleep. 5. — ______ you ever ______(sing) this song before? — No, it is my first time. have spoken Has returned have seen has fallen Have sung

选择最佳答案填空。 ( )1. — Have you ____ travelled by train? — Yes, I have. A. never B. ever C. just D. yet ( )2. — Have you finished your homework？ — Not ____. A. yet B. already C. ever D. just ( )3. We haven’t studied Unit 6 ____. A. never B. ever C. already D. yet B A D

C A B C ( )4. — Have you ____ learnt English? — Yes, I’ve ____ learnt a lot. A. never; ever B. ever; never C. ever; already D. never; already ( )5. — Have you handed in your homework ____? — Yes, I’ve done that ____. A. yet; already B. already; yet C. ever; never D. still; just ( )6. John’s father ____ borrowed some pictures. A. have already B. has just C. have ever D. has yet ( )7. He ____ returned the book to the library yet. A. has B. hasn’t C. does D. doesn’t C A B C

Homework 1. 完成下列中译英练习。 ★ I already (watch) the film. I (watch) it last week. ★ he (finish) his work? Not yet. ★ you ever (be) to Hong Kong? Yes, (be) there twice. ★ you ever (eat) a chocolate sundae? No, never. 2. 完成《练习册》第67至69页Grammar的练习。 have watched watched Has finished Have been have been Have eaten