第三人稱單數(shù)

在一般現(xiàn)在時(shí)中，當(dāng)主語(yǔ)是時(shí)，謂語(yǔ)動(dòng)詞要用第三人稱單數(shù)形式，即常在動(dòng)詞原形后加-s或-es。GrandmagivesDamingapresent.Samhaslunch.Itcopiestheothersnake!DamingwatchesTV.1第三人稱單數(shù)變化，現(xiàn)歸納總結(jié)如下：1.人稱代詞he,she,it是第三人稱單數(shù)。如：HelikeswatchingTV.他喜歡看電視。Shehaslunchattwelve.她十二點(diǎn)吃午餐。Itlookslikeacat.它看起來(lái)像只貓。2.單個(gè)人名、地名或稱呼作主語(yǔ)；用第三人稱單數(shù)。如：①HanMeilookslikehermother.韓梅看起來(lái)像她的母親。②BeijingisinChina.北京在中國(guó)。③UncleWangoftenmakescakes.王叔叔經(jīng)常做蛋糕。23.不定代詞someone,somebody,nobody,everything,something等及指示代詞this,that作主語(yǔ)時(shí)，第三人稱單數(shù)。①Everyoneishere.大家到齊了。②Thereissomethingwrongwiththewatch.這塊手表有毛病。③Thisisapen.這是一支鋼筆。④Thatisaneraser.那是一塊橡皮擦。4.不可數(shù)名詞作主語(yǔ)時(shí)為第三人稱單數(shù)。如：①Themilkisintheglass.②Thebreadisverysmall.3一般情況下，直接在動(dòng)詞后+s

，

collect→collectssound→soundscome→comesdrop→dropsplay→playssay→saysthink→thinkslike→likes動(dòng)詞原形變第三人稱單數(shù)的規(guī)則與發(fā)音規(guī)律同名詞單數(shù)變復(fù)數(shù)大致相同，請(qǐng)認(rèn)真觀察。42.以s,sh,ch,x,o結(jié)尾的動(dòng)詞，在詞尾+eswatch→watchesteach→teachesguess→guesseswash→washesfix→fixesgo→goes53、以輔音字母+y結(jié)尾的動(dòng)詞，變y為i，再+esstudy→studiestry→triesfly→fliescopy→copies6不規(guī)則變化動(dòng)詞have→hasdo→does7I.寫出第三人稱單數(shù)：wash_________match_______guess______study______finish_________go________snow______carry_________have

run

catch

stay

8II.用所給動(dòng)詞的適當(dāng)形式填空：1.He________TVeveryevening.(watch)2.Wealways________toschoolonfoot.(go)3.Tom,withhisclassmates,often______footballafterschool.(play)4.Yourshoes_______underthebed.(be)95.______hereand______byme.(come,stand)6.Hisuncleusually_________toworkbybus.(go)7.Ialways______upatsixinthemorning.(get)8.John________likehisfather.(look)10對(duì)比變化Ilikeapples.Idon’tlikeapple