文本内容:
一、规则动词的过去式由动词原形〃构成,具体变化有RegullarVerbs+-ed一般的直接在词尾加如
1.-ed want—wanted,work—worked,need—needed,clean—cleaned以不发音的结尾的在词尾加
2.e-d$n like—liked,live—lived,use—used,move—moved smile-smiled;hope-hoped.注意结尾动词,直接加ie d:died;tied.以一个元音字母加一个辅音字母结尾的重读闭音节动词,先双写结尾的辅音字母,再加
3.如-edo stop—stopped,trip—tripped planned;以辅音字母加结尾的动词,先把变成再加如
4.y yi,-ed study—studied,carry—carried,hurry—hurried,marry—married worried;studied.注意规则动词过去式加、〃后的发音规则ed在浊辅音和元音后面口]在清辅音后called[ko ld]borrowed[borsud]moved[mu:vd]面[t]helped[helpt]passed[pa:st]在田音后面[d][id]startedfstalid]counted[kauntid]补充说needed[ni:did]counted[kauntid]明:
二、不规则动词()的过去式大体上归纳有以下记忆法Irregular Verbs以结尾的词,过去式与原形相同如
1.t put—put,let—let,cut—cut,beat—beatread—read must-must.以结尾的词,把变成2d d to$n build—built,lend—lent,send—sent,spend—spent以结尾的词,在词后加如
3.n tmean—meant,burn—burnt,learn—learnt以结尾的词,把变成如
4.ow/aw ow/aw ewblow—blew,draw—drew,know—knew,grow—grew(动词除外,)throw—threw showshow—showed含有双写字母的词,将双写改为单写,在词尾加如
5.t keep—kept,sleep—slept,feel—felt,smell—smelt sweep—swept含有元音字母的词,将变成如:
6.o/i o/i acome—came become—became sing—sang,give—gave,sit—sat,drink—drank以和结尾,旦读音是()的过去式如
7.ought aughttbring—brought,buy—bought,think—thought,catch—caught,teach—taught把重读开音节中的改为变成过去式如
8.i o,drive~drove,ride—rode,write—wrote动词原形中的改为如
9.e o,get—got,forget—forgot动词原形中的改为如
10.ee e,feed—fed,meet—met动词原形中的改为如
11.eak oke,break—broke,speak—spoke动词原形中的改为如
12.ell old,sell—sold,tell—told动词原形中的改为如
13.an oo,stand—stood,understand—understood以结尾且读音为的情态动词过去式如
14.ould udcan—could,shall—should,will—would在动词原形后加或变成过去式,并且发生音变如
15.dt不符合上述规律hear hi—heard[h:d,say sei—said sed,mean mi:n—meant merit
16.的动词过去式如am,is—was,are—were,build—built,do—did,eat—ate,fall—fell,find—found,fly—flew,go—went,have/has—had,hold—held,leave—left,make—made,may—might,run—ran,see-saw,take—took。
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