英语中动词过去式过去分词的变形规则.pdf
动词过去式和过去分词的变化规则
动词过去式和过去分词有规则变化和不规则变化两种。
1)规则变化
一般在动词原形后加-ed
look-looked-lookedcall-called-called
open-opened-openedneed-needed-needed
①-ed在清辅音音素后发音为〔t〕,在浊辅音后发音为〔d〕,在元音后发音也为[d]
②-ed在t、d后发音为[id]
③但fix的过去式和过去分词x不双写,为fixed.
以-e结尾的动词加-d
move-moved-movedphone-phoned-phoned
hope-hoped-hopedagree-agreed-agreed
以辅音字母加y结尾的动词,变y为i,再加-ed
study-studied-studiedcarry-carried-carriedtry-tried-tried
以元音字母加y结尾的词,直接加-ed
play-played-playedenjoy-enjoyed-enjoyedstay-stayed-stayed
末尾只有一个辅音字母的重读闭音节词,双写该辅音字母,再加-ed
stop-stopped-stoppedplan-planned-plannedfit-fitted-fitted
以-r结尾的词,双写r字母,再加-ed
prefer-preferred-preferredrefer-referred-referred
2)不规则变化
英语中有些动词的过去式和过去分词形式变化不规则,可分为五种情况。
1.动词原形、过去式和过去分词完全同形。
cut(切),hit(打),cast(扔),hurt(伤害),put(放),let(让)
shut(关),cost(花费),set(放),rid(清除)
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2.过去式与过去分词完全同形。
find(找到)--found,foundpay(支付)--paid,paidleave(离开)--left,left
lend(借出)--lent,lentmeet(遇见)--met,metkeep(保持)--kept,kept
lose(丢失)--lost,lostteach(教)--taught,taughtsit(坐)--sat,sat
lead(引导)--led,ledwin(赢)--won,won
3.动词原形与过去分词同形
例:come(来)--came--comerun(跑)--ran--runbecome(成为)--became--become
4.动词原形、过去式、过去分词形式完全不同。
例:give(给)-gave-givenfly(飞)-flew-flown
drink(喝)-drank-drunksee(看见)-saw-seen
go(去)-went-goneknow(知道)-knew-known
wear(穿)-wore-wornspeak(说)-spoke-spoken
5.过去式和过去分词有两种形式
burn(燃烧)--burned/burnt--burned/burntlearn(学习)--learned/learnt--learned/learnt
smell(闻)--smelled/smelt--smelled/smeltspell(拼写)--spelled/spelt--spelled/spelt
shine(照射)--shined/shone--shined/shoneleap(跳)--leaped/leapt--leape