文婷刘-Book4Unit2WorkingtheLandGrammar.ppt

Book 4 Unit 2 Working the Land Grammar  to do and doing as the subject and the object Step 1：Lead-in 1)Translate one sentence. 眼见为实。 Seeing is believing. To see is to believe. 非谓语动词 动名词 分词 现在分词 过去分词 动词不定式 Step 2: the types of non-infinite verbs 1.谓语动词： 概述： 2. 非谓语动词： 在句子中担任谓语的动词 是动词的特殊形式，在句中可以作除谓语外的所有成分 一个句子当中，已经存在一个谓语动词,又没有连词的情况下, 还有别的动词出现时。 非谓语动词使用条件 She got off the bus, leaving her handbag on her seat. She got off the bus, but left her handbag on her seat. Step 3:Know the positions of doing as the subject and the object 1)Tell what the red part is used as in the sentence. (1)Swimming is a good hobby. _________ (2) He enjoys fishing.________ (3) He is good at singing.________ 2)Read the passage on page 10 of the textbook and underline the sentences in which –ing is used as the subject and object. Step 4: it as the subject in form Dreaming for things doesn’t cost anything. =It doesn’t cost anything to dream for things. To do/doing做主语时，可以直接放在谓语动词之前。 To see is to believe． Not to get there in time is your fault. 注：常用it做形式主语，将to do放在位于之后，使句子保持平衡。 句型1：It + 谓语 (pays/takes sb 段时/takes 品质)+ to do It takes us an hour ___ get there by bus. 句型2：It’s + n. + to do It’s our duty __ help the poor. It is a great enjoyment __ spend our holiday in the mountains 句型3：It is adj. for/of sb. to do sth. It is + adj + for sb to do sth It is + adj + of sb to do sth （是形容人的品质的 ） （是形容事物的性质的 ） It is easy for me to finish this work before ten. It is a great honor for us to be present at your birthday party. It is very kind of you to give me some help. Its impolite of you to speak to the teacher like that. ＝You are very kind to give me some help.　 ＝you are impolite to speak to the teacher like that.　 句型4：It is no use/no good/no fun/a waste of time/a waste of money doing sth. 1)It is no use crying over spilt milk. 2)It is no good objecting(反对). 3)It’s a waste of time copying others’ homework. (1)常见动词有： 口诀：想要决定同意，希望许诺选择 want, decide, hope, agree, choose, wish, need ,promis