机关一小五年级下学期专项总结及练习（一）VIP免费

大庆市直机关一小五年级时态专项总结及练习（一）一、一般现在时1.定义：a)表示经常发生的动作或经常存在的状态。Iusuallygotoschoolbybus.我通常坐公车上学。Hegoestoschoolat6:30everyday.他每天6:30去学校.b)表示客观事实或普遍真理.Thesunrisesintheeast.太阳从东方升起.时间标志:everyday,always,usually,often,sometimes等,,助动词：do，does。2.结构：1)当主语是I/you/they/we/*and*时,直接加动词原型.2)当主语是she/he/it时,加动词第三人称单数形式(即动词加s)Heplaysfootballeveryday.Sheplaysfootballeveryday.动词第三人称单数变化规律：1)一般情况加s，works,cleans,eats,drinks,2)以o，sh，ch结尾的词加eg:does,goes,watches,washes,3)元音字母+y”结尾的加s,plays,辅音字母+y”结尾的变“y”为“i”再加es，carries,tidies,flies,cries4)特殊变法：have–has3.一般疑问句：在句首加Do/Does+动词原型+？肯定回答：Yes,…do/does.Dotheyplayfootballeveryday?Yes,theydo.No,theydon’t.Doesheplayfootballeveryday?Yes,hedoes.No,hedoesn’t.4.否定句：在动词前面加don’t/doesn’t+动词原型。Wedon’tplayfootballeveryday.Shedoesn’tplayfootballeveryday.二、一般过去时1.定义：表示过去某一时间发生的动作或事情。时间标志:yesterday,last…,thedaybeforeyesterday,ago等.助动词：did.2.结构：主语+动词过去式(动词加ed)+时间标志IwatchedTVyesterday.3.动词过去式(动词加ed)变法：1）一般在词尾加ed.发音:清辅音后读[t]浊辅音和元音后读[d].Workedstayedcleaned.2).e结尾的加d。发音:清辅音后读[t]浊辅音后读[d].以te和de结尾加d读[id]likedlivedvisitedgraded3)以辅音字母加y结尾的把y变i加ed.读[d]cry---cried．4)重读闭音节(末尾是以一个元音字母+一个辅音字母的)双写这个辅音字母再加ed,stop---stopped5)不规则变法do–didam/is–wasare–werego—went4.一般疑问句：把助动词did提前，动词变成原型加问号.DidyouwatchTVyesterday?Yes,Idid.No,Ididn’t。DidtheywatchTVyesterday?Yes,theydid.No,theydidn’t。DidhewatchTVyesterday?Yes,hedid.No,hedidn’t。。5.否定句：在动词前面加didn’t,把动词变成原型。Hedidn’twatchTVyesterday.Youdidn’twatchTVyesterday.Wedidn’twatchTVyesterday.6.特殊疑问句：WhatdidyoudolastMonday?Icleanedmyroom..WheredidyougolastMonday?Iwenttothepark.肯定句疑问句否定句Iplayfootballeveryday.DoIplayfootballeveryday?Idon’tplayfootballeveryday.Youplayfootballeveryday.Doyouplayfootballeveryday?Youdon’tplayfootballeveryday.Weplayfootballeveryday.Doweplayfootballeveryday?Wedon’tplayfootballeveryday.Theyplayfootballeveryday.Dotheyplayfootballeveryday?Theydon’tplayfootballeveryball.He(she,it)playsfootballeveryday.Doeshe(she,it)playsfootballeveryday?He(she,it)doesn’tplayfootballeveryday.三、一般将来时1.定义:表示将要发生的动作或事情.时间标志:tomorrow,this…,next..2.结构:1)主语+be+goingto+动词原形Iamgoingtoplayfootball.Sheisgoingtoplayfootball.Theyaregoingtoplayfootball.Wearegoingtoplayfootball.2)主语+will+动词原形Iwillplayfootball.Shewillplayfootball.Theywillplayfootball.Wewillplayfootball.3.特殊疑问句：1)Whatareyougoingtodo?==Whatwillyoudo?Iamgoingtoplayfootball.=Iwillplayfootball.2)Whatisshegoingtodo?=Whatwillshedo?Sheisgoingtoplayfootball.=Shewillplayfootball.3)Whataretheygoingtodo?==Whatwilltheydo?Theyaregoingtoplayfootball.=Theywillplayfootball.4)Whereareyougoingtogo?=Wherewillyougo?IamgoingtogotoBeijing.=IwillgotoBeijing.4．一般疑问句：把be动词和will分别提到句首。1)Sheisgoingtoplayfootball.------Isshegoingtoplayfootball?Yes,sheis.No,sheisn’t.2)Theywillplayfootball.-------Willtheyplayfootball?Yes,theywill.No,theywon’t.5.否定句：在be动词和will后面直接加not.Iamgoingtoplayfootball.----Ia...