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规则动词的过去式变化如下.docx

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1、规则动词的过去式变化如下:1、一般情况下,动词词尾加-ed,如:work -worked play-played wanted-wanted act-acted2、以不发音的-e结尾动词,动词词尾加-d ,如:live-lived move-moved taste-tasted hope-hoped3、以辅音字母+ y 结尾的动词,把 -y 变为 -i 再加 -ed ,如:study-studied copy-copied cry-cried carry-carried4、以一个辅音字母结尾的重读闭音节动词,双写词尾辅音字母,再加-ed ,如:stop -stopped5、不规则动词的过去式变

2、化规律性不强,须多加记忆。go went makemade get got buy - bought come - came fly-flew不规则动词的过去式的构成1把动词原形中的i 改为 a ,变成过去式。如:begin began ,drink drank ,give gave ,ring rang ,sing sang ,sit sat ,swim swam2把重读开音节中的i 改为 o ,变成过去式。如:drive drove , ride rode , write wrote3改动词原形中的aw ow 为 ew ,变成过去式。如:draw drew , grow grew , kn

3、ow knew , throw threw (动词 show 除外, show showed )4动词原形中的e 改为 o ,变成过去式。如:get got , forget forgot5动词原形中的ee 改为 e,变成过去式。如:feed fed ,meet met6动词原形中的eep 改为 ept ,变成过去式。如:keep kept , sleep slept , sweep swept7动词原形中的eak 改为 oke ,变成过去式。如:break broke , speak spoke8动词原形中的ell 改为 old ,变成过去式。如:sell sold ,tell told9动

4、词原形中的an 改为 oo ,变成过去式。如:stand stood , understand understood10 以 ought 和 aught 结尾,且读音是:t的过去式。如:bring brought , buy bought , think thought , catch caught , teach taught11 以 ould 结尾且读音为ud 的情态动词过去式。如:can could , shall should , will would12 把动词原形中的o 改为 a,变成过去式。如:come came , become became13 在动词原形后加d 或 t 变成

5、过去式,并且发生音变。如:hear hi heard h :d ,say sei said sed , mean mi:n meant ment 14 动词的过去式与动词原形一样。如:let let , must must , put put , read read red 15 不符合上述规律的动词过去式。如:am ,is was ,are were ,build built ,do did ,eat ate ,fall fell ,feel felt ,find found , fly flew ,go went ,have has had ,hold held ,leave left ,

6、make made ,may might , run ran , see saw , take took过去式 “-ed”的发音规则(1 )动词词尾为“t,d”时,发 / id / 音,want wanted (要) need needed (需要)(2)动词词尾为清辅音时,发/ t / 音。help helped (帮助) laugh laughed (笑) look looked (看)kiss kissed (吻) wash washed (洗)watch watched (注视)(3)动词词尾为 t, d 以外之浊辅音或元音时,发/ d / 音。call called(叫) stay stayed (停留) cry cried (哭)

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