七年级英语一般现在时课件.ppt

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1、一般现在时,动词:1.be动词(is,am,are)2.情态动词(can,must,may,need,shall)3.行为动词(run,speak,call,say.),、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(s

2、peak,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e.g.She c

3、an 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

4、:Yes,she does.No,she doesnt.,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。

5、、在时间状语从句中表示将来发生的动作。e.g.If it doesnt rain tomorrow,well 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 u

6、sually_(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.,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 comego stay teach,write take study watch fly play,二、将下列句子变成否定式和一

7、般疑问句,1Her name is Li Ling.2We go to school at night.3My brother works in a factory.,Her name isnt Li Ling.Is she Li Ling?,We dont go to school at nightDo you go to school at night?,My brother doest work in a radio factory.Does your brother works in a radio factory?,She can play basketball.,She cant

8、play basketball.Can she play basketball?,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,have2.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

9、.A.Do,rains B.Are,rains C.Do,will rain D.Are,will rain4.The little child_ not even know that the moon _ around the earth.A.do,move B.do,moves C.does,moves D.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!,

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