現(xiàn)在完成時語法ppt-展示頁
2024-10-25 01:51本頁面
【正文】 She has worked at this school for 7 years. now past I began to teach English at this school five years ago. I have taught English at this school for five years. 用法 2： 過去發(fā)生的動作一直 延續(xù) 到現(xiàn)在。 Ｉ have never read this kind of books before. just before “剛剛 ”用在陳述句中 ,放在句中。 Is he famous ?I have never heard of him . ever never “曾經(jīng)”通常用于疑問句和肯定句中 ,放在句中。 I have already read this book. 有時，也用在疑問句中表示驚訝。the Present Perfect Tense 現(xiàn)在完成時 助動詞 have (has)+過去分詞 done past now Yesterday , we cleaned the classroom. Now , the classroom is clean because we have cleaned it. 用法 1 強調(diào) 過去發(fā)生的動作 對 現(xiàn)在產(chǎn)生的 結(jié)果或影響 1. My father bought many books for me yesterday . Now , I have a lot to read because ________________________________ 2. I saw this film last week. Now, I know this film because I_____________________. 3. I did my homework yesterday. Now, I can give it to the teacher because I______________ my father has bought many books for me. have seen it before have done it. “仍然，還 ” 用在疑問句和否定句中，放在句末。 I haven’t read this book yet . Have you had breakfast yet ? already: Yet: “已經(jīng)”通常用于肯定句中 ,放在句中。 Have you eaten up all the food already ? “從來不” 用在否定句中 ,放在句中。 I have ever seen this film. Have you ever been to the USA ? “ 以前”用在完成時中，放在句末。 I have just bought a novel。 1. I am a doctor. I began to work when I was , I am 26. I ________ for four years. 2. We went to the USA last Monday. Today is Monday . We _________ (stay) in the USA since last Monday. have worked have stayed since and for The woman has worked at this school for 2 years.( since two years ago) since 2 years ago since 1998 since she came to the school) for + 時間段 since+時間點 for 2 years/a lo
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