20xx牛津譯林版七年級(jí)下冊(cè)u(píng)nit5amazingthingsgrammar課件-文庫(kù)吧資料
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【正文】 ped 二、規(guī)則動(dòng)詞過(guò)去式的構(gòu)成方法 提示 : 以元音字母 +y結(jié)尾的動(dòng)詞 按第一條規(guī)則，即： +ed, 如 : stay — stayed want— talk — like — worry — try — stop — wanted talked liked worried tried stopped 寫(xiě)出下列動(dòng)詞的過(guò)去式。不規(guī)則動(dòng)詞的過(guò)去式歸納起來(lái)有這樣幾種類(lèi)型 (見(jiàn)下表 )： 1 與原形一樣 , 沒(méi)有變化 costcost putput 2 改變了元音 writewrote knowknew 3 改變了輔音 makemade spendspent 4 元音和輔音都變 化了 leaveleft teachtaught Infinitive Past tense am is was are were begin began break broke bring brought build built buy bought can could Infinitive Past tense catch caught e came do did draw drew drink
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