一般现在时.语法讲解

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,一般现在时,、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。,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,:,3).,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.,2.,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 isn,t.,（,2,）,.,情态动词,e.g.,She can speak Chinese,.,否定句：,She can,t speak Chinese.,一般疑问句：,Can she speak Chinese?,肯定回答：,Yes,she can.,否定回答：,No,she can,t.,(3),行为动词,1,.,e.g.I run very fast.,否定句：,I don,t 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 don,t.,2.e.g.She likes Maths.,否定句：,She doesn,t like Maths.,一般疑问句：,Does she like Maths?,肯定回答：,Yes,she does.,否定回答：,No,she doesn,t.,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。,、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.She is often late.,、表示客观存在及普遍真理。,e.g.The earth is round.,、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.If it doesn,t rain tomorrow,we,ll go to the park.,、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)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),we,ll go out to meet him.,8.How _(be)your father?,9.There _,(be)a school there.,looks,goes,May,makes,come,comes,begins,is,is,一、,写出下列动词第三人称单数的变化形式,be,have,come,go,stay,teach,write,take,study,watch,fly,play,、,Homework,二、将下列句子变成否定式和一般疑问句,1,Her name is Li Ling,.,2,We go to school at night,.,3,My brother works in a factory,.,Her name isnt,Li Ling.,Is she Li Ling?,We dont,go to school at night,Do you go to school at night?,My,brother doesnt work in a radio factory.,Does your brother works in a radio factory?,三、单项选择,1.The Browns _ a nice car and Browns brother _ a nice jeep.,A.have,have B.has,has,C.have,has D.has,have,2.If their house _ not like ours,what_ it look like?,A.is,is B.is,does,C.does,does D.does,is,3.-_ you think he will come?,-If it _ tomorrow,he will not come.,A.Do,rains B.Are,rains,C.Do,will rain D.Are,will rain,4.The little child_ not even know,that the moon _ around the earth.,A.do,move,B.do,moves,C.does,moves D.did,moved,Thank You,Good bye!,