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1、一般现在时和现在进行时一般现在时用 法:1.现阶段经常性习惯性动作或存在的状态 Ileavehomeforschoolat7everymorning.2.客观真理,客观存在,科学事实Theearthmovesaroundthesun.ShanghailiesintheeastofChina.3.在格言或警句中Pridegoesbeforeafall. 骄者必败。常用时间状语:sometimes,often,everyday,usually,always等构 成:1.动词用原形 Ilikeit. 2.当主语
2、是第三人称单数时,动词要加-s(-es) Shelikesit.3.be动词用am,is,areIamateacher. Heisaboy.Theyaregirls.否定形式:1.don’t+动词原形Idon’tlikeit. Theydon’tlikeit.2.当主语是第三人称单数时,则为doesn’t+动词原形Hedoesn’tlikeit.一般疑问句:把do或does放在主语的前面,后面动词用原形Doyoulikeit?DoesAnnlikeit? l注意:动词三单的变化规则【巩固练习】写出
3、下列动词的第三人称单数drink________stay________look_________have_______do_________pass_______carry________come________watch______brush________1.Mrs.Smith_____thewindowseveryday.A.iscleaningB.cleanC.cleans2.OnSundayhesometimes_____hisclothesandsometimes_____someshoppin
4、g.A.wash/doB.iswashing/isdoingC.washes/does3.She_____upatsixinthemorning.A.getB.getsC.getting现在进行时1.定 义:表示正在发生或进行的动作结构:be (am, is, are)+动词现在分词形式(简写: be +动词-ing) A、陈述句(肯定句) 主语+be (am, is, are)+现在分词,如: I am reading English.我正在读英语。He is writing.他正在写字。 B、一
5、般疑问句 Be(Am, Is, Are)+主语+现在分词, 如:Are you singing?你正在唱歌吗? C、特殊疑问句 疑问词+be (am, is, are)+主语+现在分词 What are you doing? 你正在干什么 ?I am doing my homework.我正在做作业。 2.标志词:(1) 时间状语 now 、at the moment (2) 句前有提示词look 、listen 、look at … 如:1.Iamlisteningtothemusicnow.2
6、.Thestudentsaredrawingpicturesnow.3.Listen!Sheissinging.4.Look!Mr.Liisridingabike.3.动词-ing的构成规则 (1)一般情况下,直接加ing,如:cook-cooking,go-going,wash-washing,fly—flying (2)以不发音的e结尾,去e加ing,如:make-making, taste-tasting (3)如果末尾是一个元音字母和一个辅音字母,双写末尾的辅音字母,再加ing,如:run-ru
7、nning, stop-stopping ,swim-swimming,run—running,get—getting(4) 以ie 结尾的动词,先把ie变成y 再加-ing。 lie- lying tie -tying 注意: see-seeing draw-drawing listen-listening 【巩固练习】1.---Where is Max? ---He___________(run) on the grass. A.runsB.runningC.isrunning
8、2.Istheman_______teaormilk?A.drinksB.drinkC.drinking3.Don’ttalkhere.Grandparents_____.A.issleepingB.aresleepingC.sleepingD.sleep4.The boy is playing basketball. 否定句:____________________________ 一般疑问句:_