动名词用法.ppt一. 含义
动词的-ing形式是非谓语动词的一种形式,不能单独充当谓语。
二. 构成
: 动词原形+-ing
:
①一般情况,直接+ing;
②以不发音的e结尾,去e+ing;
③以重读闭音节结尾,末尾只有一个辅音字母的动词,双写这个辅音字母再加ing,如cutting,running;
④以ie结尾,变ie为y,+ing,例:die,dying;lie,lying.
动名词
-ing形式具有名词的特点.
2. 动词的-ing形式由动词变来,所以保留了动词的某些特征,如它可以有自己的宾语,状语等.
He enjoys listening to violin music and playing basketball.
:动词的-ing 形式相当于名词在句中的用法.
:具有动词的特征,可以表示一个正在进行的、主动的动作.
动名词用法
:
:
单个的动词-ing形式作主语,谓语动词用单数。
Fishing in this river is a waste of time.
:
1)doing 作主语句型
2)但有些含有动名词的句型,为避免句子主语太长,通常用it作形式主语,-ing形式作真正的主语。下面列举几种最常见的句型:(了解)
. Crying over your failure in the exam is no use.
=It’s no use crying over your failure in the exam.
=There is no use crying over your failure in the exam.
It +be +no good /use doing…做…无益/无用
It’s a waste of time fishing in this river.
It +be +a waste of time doing…做…是浪费时间
2. 作宾语(动词宾语和介词宾语)
He finished reading the book yesterday.
I enjoy learning English. (动词宾语)
I am interested in watching TV.(介词宾语)
3. 作表语
His job is teaching English.
= teaching English is his job.
4. 作定语
the laughing audience / an interesting story
The girl singing on the stage is my sister. ( 后置定语)
4. 作定语
the laughing audience / an interesting story
The girl singing on the stage is my sister. ( 后置定
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