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小學(xué)英語專項 一般現(xiàn)在時的第三人稱單數(shù) Ioften usually sometimes 一般現(xiàn)在時 經(jīng)常性 習(xí)慣性的發(fā)生的動作 Whatdoyouoftendoontheweekend playfootball watchTV cookChinesefood studyEnglish dohomework Ioftenplayfootball Heoftenplaysfootball IoftencookChinesefood HeoftencooksChinesefood IoftenwatchTV HeoftenwatchesTV 在一般現(xiàn)在時中 當主語是第三人稱單數(shù)時 謂語動詞要用第三人稱單數(shù)形式 即常在動詞原形后加 s或 es 一般情況下 直接在動詞后 s comeplaylikedrawread comesplayslikesdrawsreads 2 以s sh ch x o結(jié)尾的動詞 在詞尾 es watchteachwashgo watchesteacheswashesgoes IoftenstudyEnglish HeoftenstudiesEnglish 3 以輔音字母 y結(jié)尾的動詞 變y為i 再 es studyfly studiesflies Ioftendohomework Heoftendoeshomework IoftenhaveanEnglishclass HeoftenhasanEnglishclass 4 不規(guī)則變化動詞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)在時中 當主語是第三人稱單數(shù)時 疑問形式 當主語為第一二人稱時 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)在時中 當主語是第三人稱單數(shù)時 否定形式 1 HeoftenwatchesTV Hedoesn twatchTV 2 HeoftencooksChinesefood Hedoesn toftencookkChinesefood 對比變化 Ioftenplayfootball Idon toftenplayfootball Doyouoftenplayfootball Heoftenplaysfootball Hedoesn toftenplayfootball Doesheoftenplayfootball