小学英语动词过去式的变化规则.doc

.一般过去时动词过去式知识点规则动词的过去式由“动词原形+-ed”构成，具体变化有： 1. 直接在词尾加-ed。如: , workworked, needneeded, cleancleaned 2. 以不发音的e结尾的在词尾加-d。如：likeliked, livelived, movemoved 3. 以一个元音字母加一个辅音字母结尾的动词，先双写结尾的辅音字母，再加-ed。如：stopstopped, triptripped 4. 以辅音字母加y结尾的动词，先把y变成i，再加-ed。如：studystudied, carrycarried, hurryhurried, marrymarried 不规则动词的过去式见课本后的不规则动词表。大体上归纳有以下六条记忆法： 1. 以t结尾的词，过去式与原形相同。如：putput, letlet, cutcut, beatbeat 2. 以d结尾的词，把d变成t。如:buildbuilt, lendlent, sendsent, spendspent 3. 以n结尾的词，在词后加t。如：meanmeant, burnburnt, learnlearnt 4. 以ow / aw结尾的词，把ow / aw变成ew。如：blowblew, drawdrew, knowknew, growgrew 5. 含有双写字母的词，将双写改为单写，在词尾加t。如：keepkept, sleepslept, feelfelt, smellsmelt 6. 含有元音字母o / i的词，将o / i变成a。如：singsang, givegave, sitsat, drinkdrank 规则动词词尾加-ed有三种读音： 1. 在清辅音后读作t。如：asked, helped, watched, stopped 2在浊辅音和元音后读作d。如：enjoyed, studied, moved, called 3. 在t / d后读作id。如：wanted, needed小学阶段常见过去式不规则变化动词表动词原形过去式动词原形过去式am, iswasarewerekeepkeptletletbecomebecamemakemadebeginbeganmeetmetbitebitputputblowblewreadreadbuyboughtriderodecatchcaughtrunrancomecamesaysaidcostcostseesawcutcutsingsangdigdugsitsatdo/doesdidsleepsleptsleepsleptdrinkdrankspeakspokesweepswepteatatetaketookfallfellteachtaughtfeedfedtelltoldfeelfeltthinkthoughtflyflewthrowthrewforgetforgotunderstandunderstoodgetgotgivegavewakewokegowentwea