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小學(xué)英語(yǔ)專項(xiàng) 一般現(xiàn)在時(shí)的第三人稱單數(shù) Ioften usually sometimes 一般現(xiàn)在時(shí) 經(jīng)常性 習(xí)慣性的發(fā)生的動(dòng)作 Whatdoyouoftendoontheweekend playfootball watchTV cookChinesefood studyEnglish dohomework Ioftenplayfootball Heoftenplaysfootball IoftencookChinesefood HeoftencooksChinesefood IoftenwatchTV HeoftenwatchesTV 在一般現(xiàn)在時(shí)中 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 即常在動(dòng)詞原形后加 s或 es 一般情況下 直接在動(dòng)詞后 s comeplaylikedrawread comesplayslikesdrawsreads 2 以s sh ch x o結(jié)尾的動(dòng)詞 在詞尾 es watchteachwashgo watchesteacheswashesgoes IoftenstudyEnglish HeoftenstudiesEnglish 3 以輔音字母 y結(jié)尾的動(dòng)詞 變y為i 再 es studyfly studiesflies Ioftendohomework Heoftendoeshomework IoftenhaveanEnglishclass HeoftenhasanEnglishclass 4 不規(guī)則變化動(dòng)詞have do has does Doyouoftenplayfootball Yes Ido No Idon t Yes hedoes No hedoesn t Doesheoftenplayfootball Ioftenplayfootball Doyouoftenplayfootball Heoftenplaysfootball Doesheoftenplayfootball 在一般現(xiàn)在時(shí)中 當(dāng)主語(yǔ)是第三人稱單數(shù)時(shí) 疑問形式 當(dāng)主語(yǔ)為第一二人稱時(shí) 怎樣變成疑問句 Ioftenplayfootball Doyouoftenplayfootball 句子前加上do Heplaysfootball Doesheplayfootball 句子前加does后還有什么變化 SheoftenwatchesTV Sheoftendoeshomework DoessheoftenwatchTV Doessheoftendohomework Ioftenplayfootball Idon toftenplayfooball Heoftenplaysfootball Hedoesn tplayfootball 在一般現(xiàn)在時(shí)中 當(dāng)主語(yǔ)是第三人稱單數(shù)時(shí) 否定形式 1 HeoftenwatchesTV Hedoesn twatchTV 2 HeoftencooksChinesefood Hedoesn toftencookkChinesefood 對(duì)比變化 Ioftenplayfootball Idon toftenplayfootball Doyouoftenplayfootball Heoftenplaysfootball Hedoesn toftenplayfootball Doesheoftenplayfootball