【正文】
動(dòng)詞過去式變化規(guī)則及其讀音規(guī)則7一般情況下,動(dòng)詞詞尾加 ed ,如: work worked playplayed wantedwanted actacted 以不發(fā)音的 e 結(jié)尾動(dòng)詞,動(dòng)詞詞尾加 d,如: livelived movemoved tastetasted hopehoped 以輔音字母 + y結(jié)尾的動(dòng)詞,把y變?yōu)閕 再加ed,如: studystudied copycopied crycried carrycarried 以一個(gè)輔音字母結(jié)尾的重讀閉音節(jié)動(dòng)詞,雙寫詞尾輔音字母,再加 ed,如: stop stopped 不規(guī)則動(dòng)詞的過去式變化規(guī)律性不強(qiáng),須多加記憶。 go – went make – made get – got buy bought e came flyflew 不規(guī)則動(dòng)詞的過去式的構(gòu)成 1.把動(dòng)詞原形中的i改為a,變成過去式。如: begin—began,drink—drank,give—gave,ring—rang,sing—sang,sit—sat,swim—swam 2.把重讀開音節(jié)中的i改為o,變成過去式。如: drive—drove,ride—rode,write—wrote 3.改動(dòng)詞原形中的aw /ow為ew,變成過去式。如: draw—drew,grow—grew,know—knew,throw—threw(動(dòng)詞show除外,show—showed) 4.動(dòng)詞原形中的e改為o,變成過去式。如: get—got,forget—forgot 5.動(dòng)詞原形中的ee改為e,變成過去