内容正文:
Doing
What is nonfinite Verbs? (非谓语)
英语一句话只能有一个谓语动词,如果出现更多动词:
① 加连词(and / but / so…)变为两个句子
Study hard, and you will reach your goal.
② 放入从句
If you study hard, you will reach your goal.
③ 变为非谓语动词
Studying hard, you will reach your goal.
1. To finish the work on time is difficult.
2. He refused to help me.
3. Our parents expect us to go to a good university.
4. He is always the first to come.
5. He got up early to catch the first bus.
6. I am happy to see you.
7. He hurried to the station only to find the bus had gone.
8. My dream is to go to a good university.
不定式在句子中可以做哪些成分?
主
宾
补
定
目的状语
原因状语
结果状语
表
step 1 Review 复习
functions subject
主 object
宾 attribute
定 predicative
表 adverbial
状 object
complement 补
to do
Don’t leave her waiting outside in the rain. ( 学法大视野 p161)
She signalled to her students to exit the classroom in an orderly line covering their heads with their hands. (教材p16)
The crowd looked upwards, and saw, with unspeakable fear, a huge cloud shooting from the top of the volcano. (教材p25)
functions subject
主 object
宾 attribute
定 adverbial
状 predicative
表 object
complement 补
to do √ √ √ √ √ √
doing
doing 具有伴随性、主动性
doing
动名词=一件事情
现在分词=正在进行的动作
Students in class four likes studying English.
There is a swimming pool.
Students studying English are in class four.
There is a swimming boy.
动名词doing(一件事情)可以做哪些成分?
functions subject
主 object
宾 attribute
定 Predicative表 adverbial
状 object
complement 补
to do √ √ √ √ √ √
动名词doing
现在分词doing
1.动词ing形式作主语时,往往表示经常性、习惯性的动作,通常置于句首。
动名词作主语时,谓语动词用单数。
Walking ____(be) a good form of exercise for both the young and the old.
动名词 doing can be the subject主语
is
2. 形式主语 it 代替动词ing形式作主语。此类句式常见的有:
It is no good/use __________(cry) over the spilt milk.
It's a waste of time doing sth.做某事是浪费时间
It's useless/worthwhile doing sth.做某事没用/是值得的
It's no good/use/fun doing sth.做某事没好处/没用/没意思
crying
类比联想:to do 做作主语
动名词=一件事情
to do 做主语 VS doing 做主语
To master a fore