小学情态动词用法课件.ppt

《小学情态动词用法课件.ppt》由会员分享，可在线阅读，更多相关《小学情态动词用法课件.ppt（13页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、关于小学情态动词用法现在学习的是第1页，共13页动词种类动词种类实义动词实义动词系动词系动词情态动词情态动词助动词助动词jump,runbe,feelcan,must,maydo,does,did,be,have,has现在学习的是第2页，共13页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 usin

2、g3.The small child was not old enough to_himselfA have B wear C dress D put on 5.My brother and 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现在学习的是第3页，共13页7.-the radio_that there will be another heavy rain in Guangdong._Too

3、bad.It has rained for the whole weekA tells B talks C says D speaks8.It is nice of you to _so much time showing me around your schoolA spend B cost C pay D take现在学习的是第4页，共13页一、情态动词 can,could must have to should will(would)may现在学习的是第5页，共13页二、特征 1.有一定词义，但不能单独作谓语，必须和行为动词或系动词连用，构成谓语。2.无人称和数的变化（have to例外

4、：用于第三人称单数时用has to）He has to stay here.3.后面接动词原形 She should stay at home.现在学习的是第6页，共13页现在学习的是第7页，共13页三、用法 1.can,could(1)表示能力，“能，会”Can you play basketball?(2)表示怀疑、猜测，常用于否定句和疑问句中 He cant be in classroom.（3）可以 Can I help you?现在学习的是第8页，共13页(4)could 是can的过去式，可以表示过去的能力 I could swim when I was seven years o

5、ld.(5)can开头的一般疑问句 以can和cant回答could开头的一般疑问句 以could和couldnt回答现在学习的是第9页，共13页 2.must(1)“必须 应该”(2)表推测“一定”(3)否定句中，mustnt表示禁止，“不允许”Must开头的疑问句，肯定回答用must，否定回答用neednt（=dont have to）“不需要，不必”现在学习的是第10页，共13页 3.have to “have to+动词原形”：不得不做某事 注意：have to用于第三人称单数时用has to现在学习的是第11页，共13页1 May I stop my car here?No,you_

6、.A.cant B.mustnt C.neednt D.dont have to2.Must we clean the house now?No,you _.A.neednt B.may not C.mustnt D.cant4.You _ return the book now.You can keep it next week if you like.A.cant B.mustnt C.neednt D.may not5.Johnny,you _ play with the knife,you _ hurt yourself.A.wont.cant B.mustnt.may C.shouldnt,must D.cant.shouldnt6.-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现在学习的是第12页，共13页感谢大家观看感谢大家观看现在学习的是第13页，共13页