外研八年级上册MU情态动词.pptx

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1、观察并小组讨论归纳情态动词用法：1.You can park your car here.2.We must finish your homework this afternoon.3.He need ask for help.4.You cant play on the road.5.The boys mustnt play football on the road.6.She neednt give it back to me before Friday.肯定句：情态动词+动词原形否定句：情态动词+not+动词原形情态动词没有人称单复数的变化第1页/共16页注意这些提问与回答有什么特别？1

2、.Could I turn on the light?Yes,you can./No,you cant.2.May I sit here?Yes,please./Yes,you can.No,you cant./No,you mustnt.3.Must I finish the work before dark?Yes,you must.No,you neednt./No,you dont have to.4.Need I go there too?Yes,you must./No,you neednt.第2页/共16页注意对话的情景,归纳：must,mustnt,may,cant1.The

3、book _ be Lucys.There is her name on it.A.cant B.must C.mustnt D.have to2.You_ take photos because“No photos”here.A.can B.must C.musnt D.needntmust,一定，肯定（表示很有把握的猜测）mustnt 不准，不允许（表示禁止，语气比cant要强烈强硬）第3页/共16页3.-Do you know where Mr Wang is now?-He _ be at his office,but I am not sure.A.may B.must C.need

4、 D.musnt 4.He is in Nanjing.He _be in the office here.A.cant B.can C.musnt D.mustmay 可能，也许（表示不确定，猜测）cant 不可能（表示否定的猜测）第4页/共16页can cantshould shouldntneedneedntmustnt mustmayhave to(不不)能，能，(不不)会会,(不不)可以可以(不不)应该应该(不不)需要，需要，(不不)必要必要禁止禁止/必须必须可能可能(not sure不确定不确定)不得不不得不(has to/had to)第5页/共16页导11031-5 C A A

5、 C A6-10 A B B A C11-13 C C C D C第6页/共16页作文1.结构：总分总1）春节是中国的一个重要节日，和美国的节日有许多不同。2）我们要做的事情3）我们不能做的事情4）祝Miss White 过个愉快的春节。2.时态:一般现在时3.注意增加细节，或说明（so,but,because）第7页/共16页4.基本句式：We should do s.th+时间We must do s.th+时间We shouldnt do s.th+时间We musnt do s.th+时间第8页/共16页5.确定好重点短语：新年前除夕夜新年大扫除吃团年饭穿新衣服拜年我们来试试！Have

6、 a try!before Spring Festivalon New Years Eveon New Years Daydo some cleaninghave dinner togetherput on new clothesvisit our friends and family注意：在动词短语前加上主语，就可成为句子啦例如：（在）新年前，（我们必须）大扫除。第9页/共16页不能做的事情：(可参照P88 L16-20）1.不能打破东西2.不能剪头发3.不能扫地Lets have a try!第10页/共16页1.注意在适当的句子后增加描述细节或说明的句子2.注意：在“要做”和“不能做”两

7、段落之间，加上一两句话，起到承上启下的作用。(but,in order to,because）3.文章最后一段，要用一两句话概括点题，起到首尾呼应的作用。第11页/共16页SpringFestivalisthemostimportantfestivalinChina.BeforeSpringFestivalweshouldcleanourhouses,(andmakeourhousecleanandnew.)OnNewYearsEve,wegettogetherandhaveabigdinner.(WewatchTVandatmidnight.weplayfireworks.)第12页/共16

8、页OnNewYearsDay,weputonournewclothesandvisitourfamilyandfriends.ChildrenloveSpringFestival(becausetheywillgetluckymoney.)(Wewillgivesomegiftstoourfamilyandfriends.)Remembertoacceptthegiftwithbothhands.第13页/共16页Because we want to keep good luck all year,so we have to pay attention to these.We mustnt sweep the floor on the first day of Spring Festival.We had better not have our hair cut on New Years Day.We mustnt break anything.Remember these traditions,please.And wish you have a good time in China.第14页/共16页第15页/共16页感谢您的观看。第16页/共16页