内容正文:
语法突破 写作指导
1.作主语:为了保持句子平衡,往往用it作形式主语,而把不定式短语置于动词
之后。句型:It is +adj.+for sb.+to do sth.
To speak English is not easy for us.
= It is not easy for us to speak English.
讲英语对我们来说是不容易的。
2.作定语:不定式修饰名词或代词,起形容词的作用,在句中作定语,放在被
修饰对象的后面。如:
I have a lot of homework to do.
我有很多作业要做。
Give me something to eat,please.请给我点吃的吧。
3.作状语:常作目的状语、原因状语、结果状语等,不定式的逻辑主语应与
句子的主语保持一致。
I came to Beijing to see my grandpa.
我来北京看望我的爷爷。
I’m glad to meet you!很高兴见到你!
I’m too tired to walk.我太累了,走不动了。
4.作宾语补足语:用于tell,ask,want,order,teach,invite,wish,help,
warn等词后。如:
She told me to buy a ticket.她让我去买张票。
5.作表语:用于连系动词后,主要表示愿望、责任、义务等。如:
My dream is to be a doctor.
我的梦想就是当一名医生。
6.“疑问词+动词不定式”结构:可以用在疑问词what,how,when,where,
which等之后,作主语、宾语、宾语补足语等。如:
I don’t know how to work out this problem.
我不知道怎么解出这道题。
Ⅰ.用括号内所给动词的适当形式填空
1.It’s very nice of you (teach) me how (use)
the dictionary.
2.I order you (wash) your hands.
3.The mother tried many ways (make) the