Unit 11 Working with Animals
2. he left nanjing two years ago.he _____ _____ _____ _____ nanjing for two years.3. the monkey died last month.the monkey _____ _____ _____ for a month.4. a: hong long _____ you ____?b: two weeks.a. did, get ill b have, fallen ill c. were, ill d. have, been ill （三）現在完成時與一般現在時的區分：一般現在時表示現在較長時間內經常習慣性的動作或狀態，不含有影響和結果的意味。而現在完成時強調過去發生的動作對現在的影響和結果。e.g.he works at our school.he has worked in our school for ten years. （四）現在完成時與一般過去時的區分：雖然動作都發生在過去， 但它們強調的重點不同：現在完成時側重于對現在的影響，而一般過去時側重于某一動作發生在過去某個時間或某段時間，即現在完成時側重現在的影響，而一般過去時側重于發生的時間。e.g.i have seen the film.i saw the film three days ago.mr. green has bought a new computer.mr. green bought a new computer yesterday.另外，與它們搭配的時間狀語也不同。一般過去時常與…ago, just now, last…, yesterday…連用；而現在完成時與already, yet, just, ever, never, for…, since… 連用。e.g.she has lived here since two years ago.she lived here two years ago.ex. 1. —i have seen the film titanic already.—when you it?—the day before yesterday.a. have, seen b. will, see c. did, see d. did, seen2. mr. black in china since five years ago.a. lived b. has lived c. lives d. is going to live