Unit 23 it的用法 讲解+练习 学案【中学通用英语语法】

370薄冰通用英语语法T的用法
Unit23T的用法
→23—1
人称代词t
指人以外的生物和事物，无阴阳性别之分。如：
Not far away,there is a hospital..It is very large.不远处就有一家医院。规
模很大。
Mr Zhang wrote a novel.It is about the miserable life of a young woman.
张先生写了一部小说，它是关于一个年轻妇女悲惨生活的。
t有时可用来代替小孩和婴儿。如：
The child smiled when it saw its mother.小孩看到母亲就笑了。
What is it A boy or a girl 生了个什么？男孩还是女孩？
→23—2
t用于前指或后指
代表前面已提到的事物或事情。如：
This is a beautiful car..It's blue.这车真漂亮，它是蓝色的。(it代表前句提
到的物品car)
I had a talk with our boss.It was very helpful..我同我的上司谈了一次话，
这次谈话很有帮助。(t代表前句的内容)
They were asked to complete the task in two weeks.It is not an easy
ob.要求他们两周内完成任务，这可不是件容易的事。(t代表前句的内容)
代表后面出现的事物或事情。如：
Having wetted by licking it the paper covering the window,I will break it
in order to see what he is doing in the study.我把窗户纸舔湿之后，就要戳破
它，以便看看他在书房里千什么。(it指其后的the paper covering the window)
Though no one knew it,it was the last time he would be present at the
bank.尽管没人知道，这是他最后一次到银行上班了。(it指代其后的主语)
→23—3
非人称代词t
指时间、距离和自然现象等，此时t在句中作主语。如
Itis5 blocks from the office to my home.从办公室到我家有5个街区。
(指距离)