時(shí)間狀語(yǔ)從句及練習(xí)(文件)
【正文】 +時(shí)間段+since…（自從…以來(lái)有…）It is/has been 3 years since we last met.突破點(diǎn)：一看be動(dòng)詞的時(shí)態(tài)，二看時(shí)間段還是時(shí)間點(diǎn)。例如：Every/Each time I was in trouble, he would e to my help.I thought her nice and honest the first time I met her.注意：（1）when, while, as的區(qū)別：1)when引導(dǎo)從句時(shí)，主從句的動(dòng)作有先有后，也可以同時(shí)進(jìn)行,從句的動(dòng)作可以是持續(xù)性的，也可以是短暫的。如：When I got to the airport, the plane had already taken off. （主先從后）（短暫性）When I lived there, I used to go to the seaside on Sundays. (同時(shí)) （持續(xù)性）When the movie ended, the people went back. （從先主后）2)while側(cè)重主從句動(dòng)作的對(duì)比，且從句的動(dòng)詞必須是持續(xù)性的。注意：在“It is /has been +時(shí)間段+since…”句型中，從句的動(dòng)詞必須是短暫性的，如果是延續(xù)性的動(dòng)詞，時(shí)間要從從句的動(dòng)作結(jié)束時(shí)算起。練習(xí)題1. It was quiet ________ those big trucks started ing through the town.A. before B. after C. until D. unless D. is。 It’s years _____ I enjoyed myself so much.A. after C. when then D. Not had he。 D. when17. –Did you remember to give Mary the money you owed her?Yes, I gave it to her _____ I saw her.A. while B. for the first time C. graduates D. were declared答案：CBBBA39。 有志者事竟成，但如果你就叫WILL呢？ You‘d better make a mark where you have any questions.（狀語(yǔ)從句）39
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