【正文】
用的動詞必須為延續(xù)性動詞,即這個動作是可以持續(xù)的。常見延續(xù)性動詞:have,live,teach,learn,work,study,know等常見的非延續(xù)性動詞:e,go,leave,start,die,finish,bee,join,buy,get married等。非延續(xù)性動詞要替換成對應的延續(xù)性動詞才能與一段時間連用。他入團兩年了。He has joined the League for two years. ()He has been a League member for two years. (√)這輛自行車我買了三年了。I have bought this bike for three years. () I have had this bike for three years. (√)(4)非延續(xù)性動詞對應的延續(xù)性動詞非延續(xù)性延續(xù)性非延續(xù)性延續(xù)性非延續(xù)性延續(xù)性beebefall asleepbe asleepjoinbe in/be a member ofborrowkeepmake friendsbe friendsbegin/startbe onbuyhavefinishbe overe/gobe here/thereget upbe upleavebe away(from)diebe deadopenbe openclosebe closedget marriedbe married1. —Did you borrow the ic book from the library?2. —Yes. I (借)it for three days. I39。ll return it this afternoon.3. Uncle Li (?。﹊n Beijing since 2008, so he knows a lot about the city.4. They (交朋友)since ten years ago.5. Tom (買)the pen for five years, and it means a great deal to him.6. They (結(jié)婚)for ten years.7. —Paul, do you know Jenny?—Do I know Jenny?I (了解)her since she was born.用since或for填空1. He has lived in Nanjing the year before last.2. I39。ve known him we were children.3. Our teacher has studied Japanese three years.4. She has been away from the city about ten year