(共10张PPT)
Unit 2 Working the land
Grammar（1）
人教版 高一 第四册
动词ing形式做主语
新知讲解
新知讲解
动词ing
看图完成下面的句子
_______ __________ is his favorite sport.
Playing basketball
_______ ___ ____ is dangerous.
Playing with fire
新知讲解
动词ing
看图完成下面的句子
______ ___ _____ is a good habit.
Getting up early
_______ is an art.
Reading
新知讲解
动词-ing 形式作主语
动词ing
1. 直接置于句首
(1)Playing tricks on others is something we should never do．
捉弄别人是我们万万不能干的。
(2)Learning new words is very important for me．
学习新单词对我来说非常重要。
(3)Talking is easier than doing.
说比做容易。
新知讲解
动词-ing 形式作主语
动词ing
2.ing短语后置,常出现在一些固定结构中：
no use/no good/ useless
no fun
It’s + a shame + doing
a waste of time/money
worthwhile
There is no + doing...
There is no use doing sth.
There is no sense in dong sth.
新知讲解
动词-ing 形式作主语
动词ing
1) It is no use crying over the spilt milk.
洒掉的牛奶哭也没用。
2) It’s no use/good arguing with her.
3) It is fun playing with children.
4) It’s a shame copying other’s homework.
5) It’s a waste of time waiting here.
新知讲解
动名词的复合结构作主语
动词ing
Tom’s coming surprised us.
His being careless led to the accident.
用于布告形式的省略结构中。
No smoking
( =No smoking is allowed (here) ).
No parking.
巩固练习
Ⅰ.单句语法填空
1．________(read) aloud is very important in learning English.
2．It's no use ________(argue) with Tom because he will never change his mind.
3．____________ (not know) how to use a computer makes it more difficult for him to do his academic research.
4．I meant ________(tell) you the truth，but it was too late.
Reading
arguing
Not knowing
to tell
谢谢
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