动词词尾加--ed的三种读音.doc

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 补充说明：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: wantwanted, workworked, needneeded, cleancleaned 2. 以不发音的e结尾的在词尾加-d。如：likeliked, livelived, useused, movemoved 3. 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-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 在浊辅音和元音后面 dcalled borrowedmovedmu:vd enjoyedwelcomedanswered在清辅音后面 taskedfinishedhelpedhelptpassedpa:streached在t音后面 idwantedwCntid startedsta:tidd音后面idneededni:did countedkauntid0