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1、动词的过去式变化规律本册一、二个单元都将围绕过去时态展开，对学生来说这是一个新的知识点，也是一个难点。不仅表现在动词形式的变化上，还包括它的读音变化上。为了让学生能更好地理解和运用这一时态，现将这一册书中一般过去时的变化总结如下：一、 规则动词的过去式词尾变化有几种：1. 直接在词尾加-ed。如: wantwanted, workworked, needneeded, cleancleaned2. 以不发音的e结尾的在词尾加-d。如：likeliked, livelived, useused, movemoved3. 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
2、-ed。如：stopstopped, triptripped4. 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, beatbeat2. 以d结尾的词，把d变成t。如:buildbuilt, lendlent, sendsent, spendspent3. 以n结尾的词，在词后加t。如：meanmeant, burnbur
3、nt, learnlearnt4. 以ow / aw结尾的词，把ow / aw变成ew。如：blowblew, drawdrew, knowknew, growgrew5. 含有双写字母的词，将双写改为单写，在词尾加t。如：keepkept, sleepslept, feelfelt, smellsmelt6. 含有元音字母o / i的词，将o / i变成a。如：singsang, givegave, sitsat, drinkdrank二、词尾读音有3种：a在浊辅音和元音后读d，如lived, watered, listened, played。b在清辅音后读t，如liked, helped
4、, watched。c在t,d音后读id，如planted, wanted, handed(上交)。三、本册动词规律表sit sat throw threw am, is wasdrink drank draw drew are weresing sang fly flew do didbegin began grow grew have, has hadswim swam put put may mightgive gave cut cut can couldring rang let let shall shouldrun ran read read will wouldride rode catch caught go wentwrite wrote teach taught eat atedrive drove think thought hear heard keep kept buy bought see sawsleep slept fight fought find foundsweep swept hold held wear worefeel felt tell told meet metcome came get got mean meantbecome became make made speak spoketake took say said
