人教版英語(yǔ)七上語(yǔ)法動(dòng)詞的單三式

動(dòng)詞單三式第1頁(yè)1.Wearehappy.2.Youhaveacup.3.Theyplaygameseveryday.第2頁(yè)1Thisgreycatisthatgrandma's.2Mygrandmahas

anorangecat.3Itplaysgameseveryday.4Huihuigoestoschoolintheafternoon.第3頁(yè)一.行為動(dòng)詞單三式當(dāng)主語(yǔ)是第三人稱單數(shù)時(shí)，謂語(yǔ)動(dòng)詞要用第三人稱單數(shù)形式(單三式)，即常在動(dòng)詞原形后加-s或-es。第4頁(yè)規(guī)則原形第三人稱單數(shù)形式1、普通情況下，直接在動(dòng)詞詞尾+sget,take，playgets,takes,plays

2、以s,x,sh,ch,o結(jié)尾動(dòng)詞，在詞尾+esguess,fix,finish,teach,go,doguesses,fixes,finishes,teaches,goes,does

3、以輔音字母+y結(jié)尾動(dòng)詞，先把y變?yōu)閕,再+es。Study,try,fly,carry,worrystudies,tries,flies,carries,worries

4、不規(guī)則動(dòng)詞（特殊情況）。have,be

has,is

第5頁(yè)一、人稱代詞he,she,it是第三人稱單數(shù)。二、單個(gè)人名、地名或稱呼作主語(yǔ)第三人稱單數(shù)。三、單數(shù)可數(shù)名詞或"this/that/the+單數(shù)可數(shù)名詞"作主語(yǔ)時(shí)，是第三人稱單數(shù)。四、不定代詞someone,nobody,everything,something等及指示代詞this,that作主語(yǔ)時(shí)，是第三人稱單數(shù)。五、不可數(shù)名詞作主語(yǔ)時(shí)為第三人稱單數(shù)。六、當(dāng)數(shù)字或字母作主語(yǔ)時(shí)，看作第三人稱單數(shù)。哪些是第三人稱單數(shù)主語(yǔ)？第6頁(yè)1.Igettheball.2.___________________.he否定句3._____________________.4._____________________.普通疑問(wèn)句5._____________________？_______.6._____________________？_______.二.助動(dòng)詞（do/does）使用特殊疑問(wèn)句7._____________________.第7頁(yè)1Thisgreycatishisgrandma's.2Mygrandmahasanorangecat.3Theyplaygameseveryday.4Huihuigoestoschoolintheafternoon.句式轉(zhuǎn)換第8頁(yè)陳說(shuō)句：必定句否定句普通疑問(wèn)句：特殊疑問(wèn)句：主語(yǔ)+謂語(yǔ)動(dòng)詞(s)+其它主語(yǔ)+don't/doesn't+謂語(yǔ)動(dòng)詞+其它Do/Does+主語(yǔ)+