【英語】Unit 3《Section Four Grammar and usage》課件 1(譯林版必修2).ppt

1、Unit 3 Amazing people,Grammar and Usage,12 amazing / amazed 34 encourageed/ discouraged 56 known as/known for 78 thanks to/thanks for 910 certain/sure,He is the most _ person I have ever met as he always makes you happy. 2. He is greatly _ by the funny story. 3. Strong-minded person wont be _ even w

2、hen they fail in doing something, 4. Children should be _ to speak a new language though they may make some mistakes. 5. Suzhou and Hangzhou are _ the heaven on the earth. 6. This small town is _ its hot spring, and many visitors come here even in cold winter. 7. _ the work of the scientists, we now

3、 know a lot abut the outer space. 8. Many _ your kind help, but I can manage the case myself. 9. In order to be _ of the answer, I went up to ask myself. 10. It is _ that the world population wont,amzing,amazed,disccoraged,encouraged,known as,known for,Thanks to,thanks for,sure/certain,certain,What

4、did you do yesterday?,Have a try,I enjoy shopping in the supermarket. Yesterday evening, I _ （go）shopping near my home. I _(be) busy all day long. So it _ (be)a good chance for me to relax myself.,There _ (be)many people in the supermarket. Since I _(have) enough time, I _(feel) at ease. I _(walk) h

5、ere and there to see whether there _(be) something I need. I _ (fill) my basket with all the goods I chose.,went,was,were,had,felt,walked,was,filled,was,What did you do yesterday?,Have a try,I _(take) all my things with me. I _ (decide) to go home by taxi.,At the moment, a guide(保安)_(stop) me and _(

6、tell) me that I _(not pay). I felt very sorry that I _(forget) it. I said I _(think) I _(do) it before I came out of the door.,took,decided,stopped,told,did not pay,forgot,thought,had done,Structure,Had done/had been done,The past perfect tense is often used with the simple past tense. If one action

7、 happens before another in the past, the past perfect tense is used.,The past perfect tense shows us 過去的過去,-|-|-|-,present,past,What is The past perfect tense,Compare the simple past and The past perfect tense,Present,Past,Carters lucky pet bird led Carter to the site,Carters lucky pet bird was eate

8、n by a snake.,Upon entering the tomb, Carters lucky pet bird , which had led him to the place, was eaten by a snake.,More examples,By the end of last year, I _ for 15 years. When I came back home, my favourite TV program _.,had taught,had already finished,He was not worried at all. He _ preparations

9、.,had already made,The past perfect tense used in indirect speech,Present,Past,They emptied the tomb of everything it contained,Carter said that they had emptied the tomb,“We emptied the tomb of everything it contained,” said Carter. Carter said that they had emptied the tomb of everything it contai

10、ned,Here the past action didnt happen a long time ago.,I had done my homework this morning before I went to the museum.,過去完成時(shí)表示： 1 過去某一時(shí)刻或動(dòng)作以前已完成的動(dòng)作或存在的狀態(tài) 2過去一定時(shí)間內(nèi)某動(dòng)作或狀態(tài)的持續(xù),過去時(shí)間： A after at before by since until 等介詞 B after, as soon as,before,since,when,until等引導(dǎo)的時(shí)間狀語 C already,yet,before,never等副詞（作狀

11、語）,在含有as soon as,after,before,when,until 等連詞的復(fù)合句中，若主從句動(dòng)作不同時(shí)發(fā)生，先發(fā)生的就用過去完成時(shí)，若兩個(gè)動(dòng)作緊接著發(fā)生或幾乎同時(shí)發(fā)生，則皆用一般過去時(shí)。,used with time expressions such as when, after, before, as soon as, until, by, for and already,Present,Past,Carter opened King Tutankhamuns tomb,Lord Carnarvon died,Then a few months after Carter ha

12、d opened the tomb, Lord Carnarvon fell ill with a fever and died.,1 I could recognize the man at once ,because I had seen him before. 2 By the end of last year,I had worked here for five years. 3 She did not go to bed until her son had finished his homework. 4 When he had played a few times,more and

13、 more people came to hear him sing.,二、 1. 主語hadhardly(scarcely)過去分詞when(before)主語一般過去時(shí)。 2.主語hadno sooner過去分詞than主語一般過去時(shí)。例如： They had no sooner got home than it began to rain. 他們一到家，天就下起雨來。 _ got into the room，_ the telephone rang. 他一到家，電話就響了。 A. He hardly had；then B. Hardly had he；when C. He had not

14、；that D. Not had he；when,解析： 正確答案為B。當(dāng)否定詞hardly，scarcely，no sooner放在句首時(shí)，主謂要倒裝。,三、 根據(jù)上下文的時(shí)間關(guān)系來確定用過去完成時(shí)。例如： 1. The pen I _ I _ is on my desk，right under my nose. 那支我以為已經(jīng)丟了的鋼筆。在我的桌子上，就在我的鼻子底下。 A. think； lost B. thought； had lost C. think； had lost D. thought； have lost,解析： 正確答案為B?！皝G筆”是在“認(rèn)為”之前發(fā)生的動(dòng)作。,四、 表

15、示過去未曾實(shí)現(xiàn)的愿望、打算或意圖，用過去完成時(shí)。常用動(dòng)詞有：hope，think，expect，intend，mean，suppose，want等。 例如： They had wanted to help but couldnt get here in time. 他們本來是要來幫忙的，但未能及時(shí)趕到。,I had thought that we were going to be invited to dinner.我本以為我們會(huì)被邀請(qǐng)去吃飯的。,五、 It was時(shí)間since主語過去完成時(shí)。 It was the first time+主語過去完成時(shí)。 例如： They asked me

16、to have a drink with them. I said that it was at least ten years since I _ a good drink. 他們邀請(qǐng)我和他們喝酒，我說，我已經(jīng)至少十年沒有好好喝過了。 A. had enjoyed B. was enjoying C. enjoyed D. had been enjoying,正確答案為A。,It was the first time he had come to China.,A Complete the story of Amelia Earhart,(1)had seen (2)moved (3)had

17、 taken (4)had become (5) had met (6)had begun (7)had started (8)had gone,B Complete the story of Amelia Earhart,(1)surprised (2)was built (3)spent (4)was finished (5) had wanted (6)had received (7)had arrived (8)had hit (9)survived (10)had searched （11）used（12） had caused,Question,How do you know yo

18、u will use the past tense or the past perfect tense?,Present perfect or past perfect?,The present perfect tense is used when we are talking about a past event which relates to the present time. Howard Carter is one of the most famous explorers the world has ever known. The past perfect tense is used

19、 when we are discussing the past and want to talk about an even earlier event. Not long after the tomb had been opened, people in Carters team began to fall ill and die strangely.,The inventor of paper,(1)had failed (2)had tried (3)had heared (4)had caught (5) had showed/shown,Practice,1. Tom was di

20、sappointed that most of the guests _ when he _ at the party. A. left； had arrived B. left； arrived C. had left； had arrived D. had left； arrived 2. We _ four thousand new words by the end of last year. A. had learned B. have learned C. learned D. will have learned,解析： 正確答案為D。guests先“離開”，Tom后“到達(dá)”。,解析

21、： 根據(jù)by短語中的last year得知是到去年年末，正確選項(xiàng)為A。,3. Helen _ her keys in the office so she had to wait until her husband _home. 海倫把鑰匙忘在了辦公室，所以她不得不等到丈夫回家。 has left； comes B. left； had come C. had left； came D. had left； would come 4. He _his own lab by the time he was ten. 到十歲時(shí)，他已經(jīng)建起了自己的實(shí)驗(yàn)室。 5. He _English for fiv

22、e years before he came here. 來這兒之前，他已經(jīng)學(xué)過五年英語了。,解析： 正確答案為C。had to wait說明事情發(fā)生在過去，而“忘帶鑰匙”的動(dòng)作發(fā)生在“等丈夫回家”之前。,had already built,had studied,二、 1. 主語hadhardly(scarcely)過去分詞when(before)主語一般過去時(shí)。 2.主語hadno sooner過去分詞than主語一般過去時(shí)。例如： They had no sooner got home than it began to rain. 他們一到家，天就下起雨來。 _ got into the

23、 room，_ the telephone rang. 他一到家，電話就響了。 A. He hardly had；then B. Hardly had he；when C. He had not；that D. Not had he；when,解析： 正確答案為B。當(dāng)否定詞hardly，scarcely，no sooner放在句首時(shí)，主謂要倒裝。,三、 根據(jù)上下文的時(shí)間關(guān)系來確定用過去完成時(shí)。例如： 1. The pen I _ I _ is on my desk，right under my nose. 那支我以為已經(jīng)丟了的鋼筆。在我的桌子上，就在我的鼻子底下。 A. think； lost

24、 B. thought； had lost C. think； had lost D. thought； have lost,解析： 正確答案為B?！皝G筆”是在“認(rèn)為”之前發(fā)生的動(dòng)作。,四、 表示過去未曾實(shí)現(xiàn)的愿望、打算或意圖，用過去完成時(shí)。常用動(dòng)詞有：hope，think，expect，intend，mean，suppose，want等。 例如： They had wanted to help but couldnt get here in time. 他們本來是要來幫忙的，但未能及時(shí)趕到。,五、 It was時(shí)間since主語過去完成時(shí)。 例如： They asked me to have a drink with them. I said that it was at least ten years since I _ a good drink. 他們邀請(qǐng)我和他們喝酒，我說，我已經(jīng)至少十年沒有好好喝過了。 A. had enjoyed B. was enjoying C. enjoyed