一般现在时-PPT.语法讲解.ppt
一般现在时.语法讲解、概念：经常、反复发生的动作或存在的状态及现在的某种状态。2 1、肯定式 1)主语+be(am/is/are)+表语 I am a student.It/She/He is a teacher.You/They are classmates.2)主语+情态动词（can,must,may,need,shall）I can speak English.She must go to school.、构成形式:33).主语+行为动词（speak，say，call，go,run.）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中，当主语是第三人称单数（she,he,it），行为动词要加-s或者 es.42.一般现在时态的否定和疑问式(1).Be 动词肯定句：She is a student.否定句：She is not a student.一般疑问句：Is she a student?肯定回答：Yes,she is.否定回答：No,she isnt.5（2）.情态动词e.g.She can speak Chinese.否定句：She cant speak Chinese.一般疑问句：Can she speak Chinese?肯定回答：Yes,she can.否定回答：No,she cant.6(3)行为动词1.e.g.I run very fast.否定句：I dont run very fast.一般疑问句：Do you run very fast?肯定回答：Yes,I do.否定回答：No,I dont.2.e.g.She likes Maths.否定句：She doesnt like Maths.一般疑问句：Does she like Maths?肯定回答：Yes,she does.否定回答：No,she doesnt.7大家应该也有点累了，稍作休息大家有疑问的，可以询问和交流 大家有疑问的，可以询问和交流8注意：在一般现在时态中，当谓语动词是行为动词的时候，变否定和一般疑问句时，要借助助动词do和does帮忙。当主语是第三人称单数(she,he,it)的时候用does，其他人称用do.借助助动词do和does以后，动词要用动词原形。9、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.Sheisoftenlate.、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.Ourholidaysbegininaweek.10、就单词的正确形式填空1.He _(look)tired.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.looksgoesMaymakescomecomesbeginsisis11一、写出下列动词第三人称单数的变化形式behavecomegostayteachwritetakestudywatchflyplay、Homework12二、将下列句子变成否定式和一般疑问句 1 HernameisLiLing.2 Wegotoschoolatnight.3 Mybrotherworksinafactory.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?Do you go to school at night?My brother doesnt work in a radio factory.brother doesnt work in a radio factory.Does your brother works in a radio factory?Does your brother works in a radio factory?13三、单项选择 1.TheBrowns_anicecarandBrownsbrother_anicejeep.A.have,haveB.has,hasC.have,hasD.has,have2.Iftheirhouse_notlikeours,what_itlooklike?A.is,isB.is,doesC.does,doesD.does,is143.-_youthinkhewillcome?-Ifit_tomorrow,hewillnotcome.A.Do,rainsB.Are,rainsC.Do,willrainD.Are,willrain4.Thelittlechild_notevenknowthatthemoon_aroundtheearth.A.do,move B.do,moves C.does,movesD.did,moved15
