現(xiàn)在完成時(shí)及動(dòng)詞變化

1、現(xiàn)在完成時(shí)定義1. 表示過(guò)去不確定的時(shí)間發(fā)生的動(dòng)作，對(duì)現(xiàn)在有影響。2. 表示過(guò)去發(fā)生并持續(xù)到現(xiàn)在的動(dòng)作。 規(guī)則動(dòng)詞：規(guī)則動(dòng)詞的過(guò)去分詞的構(gòu)成規(guī)則與規(guī)則動(dòng)詞的過(guò)去式的構(gòu)成規(guī)則相同。四點(diǎn)變化規(guī)則： (1）、一般動(dòng)詞，在詞尾直接加“ ed ”。 work-worked-worked,visit-visited-visited (2）、以“ e ”結(jié)尾的動(dòng)詞，只在詞尾加“ d ”。 live-lived-lived, (3）、以“輔音字母 + y ”結(jié)尾的動(dòng)詞，將 "y" 變?yōu)?"i" ，再加“ ed ”。 study-studied-studied,cry-c

2、ried-cried (4）、重讀閉音節(jié)結(jié)尾，末尾只有一個(gè)輔音字母，先雙寫該輔音字母，再加“ ed ”。 stop-stopped-stopped,drop-dropped-dropped 不規(guī)則動(dòng)詞：ABC型原型 過(guò)去式 過(guò)去分詞 原型過(guò)去式過(guò)去分詞begin began begun give gavegivenbearboreborn,bornegowentgoneblow blew blownknow knew knownbreak broke broken grow grew grownchoose chosechosenlie lay laindraw drew drawnride

3、rode riddendrive drove driven rise rose risendo / doesdiddonering rang rungfly flew flown shake shook shakenforgive forgave forgivensing sang sungforget forgot forgotten,forgotbe was/were beenfreeze froze frozensink sank sunkwrite wrote writtenswim swam swumtake took taken throw threw thrownwear wor

4、e worndrink drank drunk see saw seenAB型 原型 過(guò)去式 過(guò)去分詞 原型 過(guò)去式 過(guò)去分詞 can could willwouldmaymightbewas/wereshallshouldAAA型 原型 過(guò)去式 過(guò)去分詞 原型 過(guò)去式 過(guò)去分詞 burstburstburstputputputcastcastcastsetsetsetcutcutcutshutshutshuthithithitspreadspreadspreadhurthurthurtletletletcostcostcostreadreadreadAAB型 ABA型 原型 過(guò)去式 過(guò)去分詞

5、 原型 過(guò)去式 過(guò)去分詞 beat beat beaten,beat become became become runranruncomecamecome特殊情況 read read read (read原形發(fā)音為/ri:d/，過(guò)去式和過(guò)去分詞發(fā)音為/red/) ABB型 原型 過(guò)去式 過(guò)去分詞 原型 過(guò)去式 過(guò)去分詞 bring brought brought sellsoldsoldbuyboughtboughtshootshotshotbuildbuilt built saysaidsaidburn burnt burnt sitsatsatcatchcaught caught stan

6、dstoodstooddigdugdugshineshoneshonefeelfeltfeltsweep swept swept fightfoughtfoughtsleepslept slept find foundfoundteach taught taught feed fedfedtell told told get got got think thought thought hanghung,hangedhung,hangedwin won won hearheardheardwind wound wound holdheldheldmake made made keep kept kept meanmeant mean