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1、一般现在时一般现在时通常表示目前阶段经常发生的动作或存在的状态。A.BE动词（am,is,are）1.are用于主语是复数名词，is用于主语是单数或不可数名词。2.句型。陈述句：Themanunderthetreeisyourcousin.一般疑问句：Aretheseyourbluebags?Yes,theyare./No,theyaren’t.特殊疑问句：Whereisyourpenpalfrom?B.实义动词1.如see,look,teach,brush,relax,study,watch,go等表示动作词，
2、当主语为第三人称单数时，如he,she,yourfather,hisclassmate等时，动词形式要作如下变化。规则读音动词原形一般动词在词尾加-s在清辅音后读
3、s
4、，浊辅音或元音后读
5、z
6、，在t后读
7、ts
8、，d后读
9、dz
10、like,wantfind以字母s,x,ch,sh结尾的动词加-es读
11、iz
12、guess,teach以o结尾的加-es读
13、z
14、go以辅音字母加y结尾的，改y为ies读
15、z
16、fly,study3.句型变化（需借助助动词）肯定式:主语+动词原形/动词的第三人称单数否定式:主语+助动词don't/
17、doesn't+动词原形+其他疑问式:Do/Does+主语+动词原形+其他简略回答:(肯)Yes,主语+do/does(否)No,主语+do/doesnot注意：have的第三人称单数为haseg.Theygotomoviesonweekends.Theydon’tgotomoviesonweekends.Dotheygotomoviesonweekends?Yes,theydo./No,theydon’t.Whendotheygotomovies?eg.Hehassomehomeworktodo.Doesheh
18、aveanyhomeworktodo?Yes,hedoes./No,hedoesn’t.Hedoesn’thaveanyhomeworktodo.Whatdoeshehave?用法：1.表示事实,现状,性质或经常的,习惯的动作,常与often,usually,always,sometimes,today,everyday,onceaweek,everyfiveminutes,onSundays等时间状语连用,eg.IoftensleeplateonSundays.2.表示普遍真理.eg.Theearthgoesr
19、oundthesun.3.表示在现在时间里所发生的一个动作.eg.Herecomesthetrain.4.在时间和条件状语从句中,从句用一般现在时.eg.I'llgowithyouifyouarefreetomorrow.I’llcallyouwhenshecomes.练习题1.MyEnglishteacher_______aboutthirtyyearsold,buthe______youngerthanhereallyis.A.is,lookB.is,looksC.am,look2.Jim_____veryh
20、ard,buthe_____tillalittleweakinChinese.A.studies,isB.study,isC.doesn’tstudy,is3.Weallknowthatthesun_____roundtheearth.A.goesB.don’tgoC.doesn’tgo4.There____twelvemonthsinayearandJanuary___first.A.is,comesB.are,comeC.are,comes5.Who_____thekitebestofall,Jim?Lucy
21、orLily?A.fliesB.flyC.areflying6.____theGreatWalloneoftheplacesofgreatinterests?A.WasB.DoC.Is7.____she____homeatsixo’clockeverymorning?A.Do,comesB.Does,ComeC.Do,come8.Mymother______likewatching,soshe____tobedveryearlyeveryevening.A.doesn’t,goB.don’tgoC.doesn’t
22、,goes59.MrLiusually_____newspapersaftersuppereveryday.A.readB.readingC.reads一般过去时一般过去时表示过去发生的动作或存在的状态，一般过去时通常由动词的过去式构成。用法：1.主要用于过去某个时间发生的动作或状态.eg.Myfatherwasatworkyesterday.2.表示过去经常或反复发生的
