七年级英语一般现在时课件知识讲解.ppt

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1、七年级英语一般现在时课件、概念：、概念：经常、反复发生的动作或存在的状态及经常、反复发生的动作或存在的状态及现在的某种状态。现在的某种状态。1、肯定式、肯定式1)主语主语+be(am/is/are)+表语表语 I am a student.It/She/He is a teacher.You/They are classmates.2)主语主语+情态动词（情态动词（can,must,may,need,shall）I can speak English.She must go to school.、构成形式、构成形式:3).主语主语+行为动词（行为动词（speak，say，call，go,run

2、.）1)I speak English.2)She/He/It speaks English.3)They call me Tom.4)He runs very fast.注意：在一般现在时态的肯定句注意：在一般现在时态的肯定句中，当主语是第三人称单数中，当主语是第三人称单数（she,he,it），行为动词要加），行为动词要加-s或者或者-es2.一般现在时态的否定和疑问式(1).Be动词She is a student.变否定：She is not a student.变一般疑问句：Is she a student?肯定否定回答：Yes,she is.No,she isnt.（2）.情态动词

3、e.g.She can speak Chinese.变否定：She cant speak Chinese.变一般疑问：Can she speak Chinese?肯定否定回答：Yes,she can.No,she cant.(3)行为动词 e.g.I run very fast.变否定句：I dont run very fast.变一般疑问：Do you run very fast?肯定否定回答：Yes,I do.No,I dont.e.g.She likes Maths.变否定句：She doesnt like Maths.变一般疑问：Does she like Maths?肯定否定回答：Y

4、es,she does.No,she doesnt.注意：在一般现在时态中，当谓语动词注意：在一般现在时态中，当谓语动词是行为动词的时候，变否定和一般疑问是行为动词的时候，变否定和一般疑问句时，要借助助动词句时，要借助助动词dodo和和doesdoes帮忙。当帮忙。当主语是第三人称单数主语是第三人称单数(she,he,it)(she,he,it)的的时候用时候用doesdoes，其他人称用，其他人称用do.do.借助助动借助助动词词dodo和和doesdoes以后，动词要用动词原形。以后，动词要用动词原形。、一般现在时态的用法：、表示目前或现在存在的状态或特征.e.g.Sheisoftenla

5、te.、表示客观存在及普遍真理。e.g.Theearthisround.、表示现在经常和习惯性发生的动作，常与sometimes,often,usually,always,everyday等时间状语连用。、在时间状语从句中表示将来发生的动作。e.g.Ifitdoesntraintomorrow,wellgotothepark.、表示按时间或计划将要发生的动作，常与时间状语连用，常用动词为：come,begin,go,leave,arrive,stop,start,return,E.g.Our holidays begin in a week.、就单词的正确形式填空1.He _ (look)ti

6、red.2.The earth_ (go)round the sun.3._(may)I have your pen?4.Practice _ (make)perfect.5.They usually_ (come)to school earlier.6.Class_ (begin)at eight every morning.7.When he _ (come),well go out to meet him.8.How _(be)your father?9.There _(be)a school there.looksgoesMaymakescomecomesbeginsisis一、写出下

7、列动词第三人称单数的写出下列动词第三人称单数的变化形式变化形式behavecomegostayteachwritetakestudywatchflyplay二、将下列句子变成否定式和一般疑问句 1HernameisLiLing.2Wegotoschoolatnight.3Mybrotherworksinafactory.Her name isnt Li Ling.Li Ling.Is she Li Ling?Is she Li Ling?We dont go to school at nightgo to school at nightDo you go to school at night?

8、Do you go to school at night?My brother doest work in a radio factory.brother doest work in a radio factory.Does your brother works in a radio factory?Does your brother works in a radio factory?She can play basketball.She cant play basketball.Can she play basketball?三、单项选择 1.TheBrowns_anicecarandBro

9、wnsbrother_anicejeep.A.have,haveB.has,hasC.have,hasD.has,have2.Iftheirhouse_notlikeours,what_itlooklike?A.is,isB.is,doesC.does,doesD.does,is3.-_youthinkhewillcome?-Ifit_tomorrow,hewillnotcome.A.Do,rainsB.Are,rainsC.Do,willrainD.Are,willrain4.Thelittlechild_notevenknowthatthemoon_aroundtheearth.A.do,

10、moveB.do,movesC.does,movesD.did,moved、Homework 1The buses _(use)a lot of oil.2Each of us _(have)strong points and weak points3My daughter_(watch)TV every day.4.Sometimes she _(see)a film on Sunday.5Li Wei_(have)a daughter.She_（stay）in a nursery（托儿所）.6.She _(be)a teacher.7.I_(be)a student.8.She can _(sing)a song.9.He usually runs in the morning.(变否定和一般疑问句10.I speak Chinese.(变否定和一般疑问句)11.There is a bed in this room.(变否定和一般疑问句)Thank You Good bye!此课件下载可自行编辑修改，仅供参考！此课件下载可自行编辑修改，仅供参考！感谢您的支持，我们努力做得更好！谢谢感谢您的支持，我们努力做得更好！谢谢