【正文】 n away since last week. 對劃線部分提問都用How long 結束性動詞不能和表示一段時間的時間狀語連用 ,但是他可以轉(zhuǎn)換成相應的延續(xù)性動詞 . buy– have catch(get) a cold –have a cold borrow—keep Come/go /bee—be put on wear be+名詞 join the army – be a soldier Join the Party –be a Party member go to school– be a student 3轉(zhuǎn)換成 be+形容詞或副詞 die—be dead finish – be over begin—be on leave—be away fall sleep – be asleep close – be closed be+介詞短語 go to school– be in school join the army – be in the army . We have had the book for three years. . He has had a cold for three days. We bought the book three years ago. He caught a cold three days ago. 一般過去時態(tài)和現(xiàn)在完成時態(tài)可以構