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选修9《Grammar》新课标PPT课件优质课下载
—It's a pen.是一支钢笔。
二．非人称代词
There was a knock at the door.“Who is it？” asked Mother.
有人敲门。“谁呀？”母亲问道。
The baby is lovely.Do you like it?
这个小孩真可爱，你喜欢它吗？
it可指代心目中不太清楚或不明性别的人，特别是婴儿。
it 用作非人称代词，指代日期、时间、季节、天气、温度、距离、重量、环境、情况等， 常不翻译出来
It’s quite hot here in summer, isn’t it ?
It’s early midnight now . We’d better go to bed.
It’s about an hour’s drive from here to Nanchang.
It was noisy last night.
— Do you like it here？(2004年高考全国卷Ⅱ)
—Oh, yes. The air, the weather, the way of life.
—Everything is so nice.
(天气)
(时间)
(距离)
（情况）
(环境等)
三．It的重要句型
用于it is (was)．..that/who的强调句型中。
It was on the desk that I put my book last night.
昨天晚上我把书就放在了这个桌子上。
It was they that (who ) cleaned the classroom yesterday.