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ar when he is ing back. They haven’t made it known where the meeting is to take place. 用 it跟從句用法: 1) it +be+形容詞 +從句: It is not clear to me why he behaved like that. 2) it +be+名詞 +從句 : It’s a puzzle how life began. 3) it +動(dòng)詞 ( +賓語(yǔ) ) +從句 It doesn’t matter much where we live. It makes no difference whether we go by train or by boat. 4) it +動(dòng)詞的被動(dòng)語(yǔ)態(tài) +從句 It is not decided who will edit it. 5) it +動(dòng)詞 be +that從句 No, it couldn’t be that they were interested in him. 6) It +be + 一點(diǎn)時(shí)間 + when… It was Christmas Eve when I got the news of his being killed in a car crash. 7) It +be+一段時(shí)間 + since… It is/has been three week since I last heard from him. 8) It is time to do/ that… (謂語(yǔ)用過(guò)去時(shí)態(tài) ) It is time for us to give the house a thorough cleaning. It is time that we gave the house a thorough cleaning. 9) It + be + the first/second time that… (謂語(yǔ)動(dòng)詞用完成時(shí)態(tài) ) It is the first time in history that two Nobel Prizes have been awarded to the same person. 10) It takes sb. Time to do… It took Mary 20 minutes to choose a suitable dress for the party. Nancy saw your sister in Tokyo last week. It was Nancy who saw your sister in Tokyo last week. It was your sister w