小學(xué)情態(tài)動(dòng)詞用法.ppt

1、動(dòng)詞,表示動(dòng)作與狀態(tài)的詞 主要考點(diǎn) 動(dòng)詞分類(lèi) 時(shí)態(tài),1.-when did your uncle_in shanghai-the day before yesterdayA arrive B get C reach2.As we know, some people are good at_but bad at give backA lending B keeping C borrowing D using3.The small child was not old enough to_himselfA have B wear C dress D put on 5. My brother and

2、I are _ TV. A watch B look C read D see6.I ask Danny to_me my book, but he brough me his bookA take B fetch C carry D match,Try and try,7.-the radio_that there will be another heavy rain in Guangdong._Too bad. It has rained for the whole weekA tells B talks C says D speaks8.It is nice of you to _so

3、much time showing me around your schoolA spend B cost C pay D take,Try and try,一、情態(tài)動(dòng)詞,can, could must have to should will(would) may,二、特征,1.有一定詞義，但不能單獨(dú)作謂語(yǔ)，必須和行為動(dòng)詞或系動(dòng)詞連用，構(gòu)成謂語(yǔ)。 2.無(wú)人稱(chēng)和數(shù)的變化（have to例外：用于第三人稱(chēng)單數(shù)時(shí)用has to） He has to stay here. 3.后面接動(dòng)詞原形 She should stay at home.,三、用法,1.can, could (1)表示能力，“能，會(huì)

4、” Can you play basketball? (2)表示懷疑、猜測(cè)，常用于否定句和疑問(wèn)句中 He cant be in classroom. （3）可以 Can I help you?,(4)could 是can的過(guò)去式，可以表示過(guò)去的能力 I could swim when I was seven years old. (5)can開(kāi)頭的一般疑問(wèn)句 以can和cant回答could開(kāi)頭的一般疑問(wèn)句 以could和couldnt回答,2.must (1)“必須 應(yīng)該” (2)表推測(cè)“一定” (3)否定句中，mustnt表示禁止，“不允許” Must開(kāi)頭的疑問(wèn)句，肯定回答用must，否定

5、回答用neednt（=dont have to） “不需要，不必”,3.have to “have to+動(dòng)詞原形”：不得不做某事 注意：have to用于第三人稱(chēng)單數(shù)時(shí)用has to,1 May I stop my car here? No, you_. A. cant B. mustnt C. neednt D. dont have to 2. Must we clean the house now? No, you _. A. neednt B. may not C. mustnt D. cant 4. You _ return the book now. You can keep it

6、 next week if you like. A. cant B. mustnt C. neednt D. may not 5. Johnny, you _ play with the knife, you _ hurt yourself. A. wont.cant B. mustnt.may C. shouldnt, must D. cant.shouldnt 6. -Would you go out for a walk with me? -No, I _ . My girl friend is coming. A. wouldnt B. shall not C. wont D. shouldnt,try and try,7. _ you be happy! A. May B. Can C. Must D.