小学英语时态总结省公开课金奖全国赛课一等奖微课获奖PPT课件.pptx

英语八大时态一、普通现在时表示现在状态：He’stwelve.She’sastudent.2.表示经常或习惯动作：Igetupat6:30everyday.Heoftengetstoschoolonfoot.3.表主语具备性格和能力等：Shelikesnoodles.TheyspeakFrench.4.普遍真理和自然规律：Themoongoesaroundtheearth.5.表示与生日,日历,课时安排或交通时刻表相关动作(一个规律)，用普通现在时表示未来时态。Theeveningclassbeginsat19:00.火车两点出发.Thetrainstartsattwo.Weleaveverysoon.我们很快就离开。这类使用方法限于表示“移动”动词：go,come,leave,start,begin,takeoff,arrive.6.在时间、条件状语从句中，用现在时表未来。Ifitrainstomorrow,Iwillnotgotopark.WhenIgoabroad,Iwillstudyhard.用于主将从现：if,when,assoonas,not..until,unless,aslongas,before,once,incase(万一).7/941、every系列2.频率副词频率副词使用方法举例１、It′softenwindyinspring.２、Youusuallygotoschooleveryday.3、次数一次once两次twice三次threetimes一周两次twiceaweek一年三次threetimesayear每个月四次fourtimesamonth每七天六onSaturdays每七天日onSundays（be动词）①be动词：am/is/are②实义动词:动词原形、第三人称单数。1.be动词普通现在时句式：必定句：主语+be+表语(n.,adj.等)Heisaworker.Youarethirteen.Theyareintheclassroom.否定句：主语+be+not+表语【am/is/are+not】Heisnotaworker.Youaren’tthirteen.Theyaren’tintheclassroom.普通疑问句：Be+主语+表语?【把be动词放于句首】Isheaworker?Yes,heis./No,heisn’t.Areyouthirteen?Aretheyintheclassroom?—Yes,theyare.—No,theyaren’t.特殊疑问句：疑问词+be+主语?Whatishe?Howoldareyou?Wherearethey?2.实义动词普通现在时句式：【句式一】：当主语不是第三人称单数时，谓语动词用原形必定句：主语（I/We/You/They）+v原形.+其它WestudyinNo.1Middleschool.否定句:主语（I/We/You/They）+do+not+v.+其它【don’t+动词原形+……】Wedon’tstudyinNo.1Middleschool.普通疑问句：Do+主语（I/we/you/they）+v.+其它？【Do+…+动词原形+…?】DoyoustudyinNo.1Middleschool?特殊疑问句：疑问词+do+主语+v.+其它？Whatdoyouwant?Whattimedoyouhavelunch?【句式二】：当主语是第三人称单数时，谓语动词用第三人称单数，即在动词后加s/es必定句：主语（He/She/It）+v-s/es+其它HestudiesinNo.1Middleschool.否定句：主语（He/She/It）+does+not+v.+其它【doesn’t+动词原形+……】Hedoesn’tstudyinNo.1Middleschool.普通疑问句：Does+主语（he/she/it）+V.+其它？【Does+…+动词原形+…?】DoeshestudyinZhuyuanMiddleschool?特殊疑问句：疑问词+does+主语+v.+其它？Whatdoesshewant?Whattimedoesshehavelunch?第三人称单数改变形式a)普通情况动词在词尾加-s.come---comesspeak---speakswork---workslive---livesb)以o,s,x,ch,sh结尾单词在词后加-es.do---doesgo---goesfinish---finishesbrush---brushesfix---fixespass---passeswatch---watchesc)以“辅音字母＋y”结尾单词变y为i加-es.Study---studiescarry-carriescry---criesd