1、动词过去式变化规则及其读音规则规则动词的过去式变化如下: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 -e
2、d,如:stop -stopped5、不规则动词的过去式变化规律性不强,须多加记忆。go went make made get got buy - bought come - came fly-flew不规则动词的过去式的构成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:beginbegan,drinkdrank,givegave,ringrang,singsang,sitsat,swimswam2把重读开音节中的 i 改为 o,变成过去式。如:drivedrove,riderode,writewrote3改动词原形中的 aw ow 为 ew,变成过去式。如:draw
3、drew,growgrew,knowknew,throwthrew(动词 show 除外,showshowed)4动词原形中的 e 改为 o,变成过去式。如:getgot,forgetforgot5动词原形中的 ee 改为 e,变成过去式。如:feedfed,meetmet6动词原形中的 eep 改为 ept,变成过去式。如:keepkept,sleepslept,sweepswept7动词原形中的 eak 改为 oke,变成过去式。如:breakbroke,speakspoke8动词原形中的 ell 改为 old,变成过去式。如:sellsold,telltold9动词原形中的 an 改为
4、oo,变成过去式。如:standstood,understandunderstood10以 ought 和 aught 结尾,且读音是 :t的过去式。如:bringbrought,buy bought,thinkthought,catchcaught,teachtaught11以 ould 结尾且读音为ud的情态动词过去式。如:cancould,shallshould,willwould12把动词原形中的 o 改为 a,变成过去式。如:comecame,becomebecame13在动词原形后加 d 或 t 变成过去式,并且发生音变。如:hearhi heardh :d , sayseisai
5、dsed ,meanmi:nmeantment14动词的过去式与动词原形一样。如:letlet,mustmust,putput,readreadred15不符合上述规律的动词过去式。如:am, iswas, arewere, buildbuilt, dodid, eatate, fallfell, feelfelt, findfound,flyflew, gowent, have has had, holdheld, leaveleft, makemade, maymight,runran,seesaw,taketook过去式过去式“-ed”的发音规则的发音规则(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)staystayed (停留)crycried (哭)