内容正文:
动词-ing形式包括传统语法中的动名词和现在分词。动词-ing形式具有动词的特征,同时又具有名词、形容词和副词的特征。
动词ing形式在句中的语法作用:动名词在句中作主语、宾语、表语和定语,现在分词在句中作状语、宾语补足语、表语和定语。
动词-ing形式
1.As you can imagine, getting burnt can lead to very serious injuries.
2.You can protect the burnt area by covering it with a loose clean cloth.
3.The first and most important step in the treatment of burns is giving first aid.
4.It is best to place burns under cool running water, especially within the first ten minutes.
5.If you see someone choking,first call the emergency services.
6.Remove any clothes using scissors if necessary, unless you see the fabric sticking to the burnt skin.
What is the function of the -ing form in each sentence?(P116)
Subject主语
Predicative表语
Attribute定语
Adverbial状语
Object complement宾语补足语
Object after a preposition宾语
宾语补足语
一、动词–ing 形式的结构
主动语态 被动语态
肯定式 否定式 肯定式 否定式
一般式 doing
完成式
not doing
being done
not being done
having done
not having done
having been done
not having been done
形式 意义
doing
having done
done
being done
having been done
主动,与主句谓语动词同时或基本同时发生
主动,先于谓语动词发生
被动
被动,正在进行
被动,先于谓语动词发生
3
二、动词-ing形式作主语
动名词作主语表示一般的、抽象的或习惯性动作。通常有两种位置,一种位于句首,另一种是it作形式主语,动名词后置。下列句型中常用动名词作主语:
(1)It is/was a waste (of ...)/no use/no good doing sth.
(2)There is/was no sense/no point (in) doing sth.
e.g. It is a waste of time arguing with him about the matter.
It is no good/use regretting.
There is no sense (in) worrying about it now.
现在为那件事忧虑没有意义。
v-ing作主语
单个的动词 -ing 形式作主语时,谓语动词用_________。
多个的动词 -ing 形式作主语时,表示一个整体概念时,谓语动词用_________;表示不同意义时,谓语动词用_________。
1. Placing burns under the cool running water the most efficient step to stop the burning process.
2. Applying oil to the injuried area a bad idea.
3. Singing songs and dancing his hobbies.
4. Eating and dressing a big question.
is
is
are
is
单数形式
单数形式
复数形式
v.-ing作主语往往表示______________________动作
to do作主语往往表示_________________动作。
v-ing和to do作主语的区别
v.ing形式和to do作主语时的区别。
Playing with fire is dangerous.玩火危险。(泛指)