现在完成时since和for的用法,He has been there for six months. 她去那儿有6个月了。(直到现在) He went there 6 months ago. He has never been there. 他从来都没去过那里。(直到现在),Tim has been in Nantong since January. 自从1月份以来他一直都在南通。(现在仍在南通),注意: “since” 后面的确切的过去的时间也 可以是一个含有过去时的从句. He has been interested in collecting coins since he was a child. 他打小时侯起就对收集硬币感兴趣。（现在还是如此）,I. 翻译 ：他死了已经3年了。,1.He died 3 years ago. 2.He has been dead for 3 years. 3.He has been dead since 3 years ago. 4. It is 3 years since he died. 5.Three years has passed since he died .,II. Complete the sentences, using “for“ and “since“:,1. we, study, English, (five years, 1982) We have studied English _ five years. We have studied English _ 1982. 2. he, work, in this factory, (more than ten years, 1976) He has worked in this factory _1976. He has worked in this factory _ more than ten years.,for,for,since,since,3. it, not rain, (a long time, October) It hasnt rained_ October. It hasnt rained _a long time . 4. i, not play, football, (last Sunday, a week) I havent played football _ a week. I havent played football _ last Sunday. 5. I havent met her _ I arrived here.,for,for,since,since,since,III. Ask questions about the underlined parts:,1. Miss Brown has lived in China for ten years. _ has Miss Brown lived in China? 2. They have found a tortoise on the river bank. _ have they found a tortoise? 3. We have visited the factory twice. _have you visited the factory ?,How long,When,How many times,