小学生过去时分过去分词.doc

，1）关键词：?yesterday, last..., ...ago, just now, a moment ago.此外，如果是this morning等也要用过去式，主要看说话的时间和动作发生的时间前后关系。2）关键句型：? What did...do...?? 如;What did you do last weekend？? Where was/were ...?? 如：Where was he yesterday?? Did ...?? 如：Did you see the film yesterday?? Was/Were ...?? 如; Was your coat on the bed just now?3）动词：?a. be动词（was, were）?b.实意动词：go-went, play- played, dance-danced, collect-collected, pick-picked, sing- sang, run-ran, jump-jumped, swim-swam, get-got, drink-drank, eat-ate, draw-drew, fly-flew,make-made,sit-sat等?c.助动词：do-did?4)规则动词的变化形式：?a. 直接加ed?b. 以不发音的e结尾，加d。如：dance-danced, taste-tasted?c. 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：stop—stopped?d.以辅音字母加y结尾的动词，先把y变成i，再加-ed。如：study—studied, carry—carried?5）不规则动词的变化形式，大致有这样一些记忆法 ：?a. 以t结尾的词，过去式与原形相同。如：put—put, let—let, cut—cut,?b. 以d结尾的词，把d变成t。如:build—built, lend—lent, send—sent, spend—spent?c. 以n结尾的词，在词后加t。如：mean—meant, burn—burnt, learn—learnt?d. 以ow / aw结尾的词，把ow / aw变成ew。如：blow—blew, draw—drew, know—knew, grow—grew?e. 含有双写字母的词，将双写改为单写，在词尾加t。如：keep—kept, sleep—slept, feel—felt, smell—smelt?f.含有元音字母o / i的词，将o / i变成a。如：sing—sang, give—gave, sit—sat, drink—drank? 二，?A、动词过去式的变化形式??? 规则变化：??? 1. 一般在动词原形后面加ed。如：walk- walked,play-played,jump-jumped,…??? 2. 以不发音e结尾的动词，直接在末尾加d。如：skate-skated,like-liked…??? 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。此条件不好掌握，可以这样记：先判定是重读闭音节结尾，末尾是“辅音字母+元音字母（读旁音，即读除了字母表之外的 音。）+辅音字母”时，双写末尾辅音字母加ed。如shop-shopped,…??? 不规则变化的有：had,said,got,did,hit,found,ran,lay,brought,shone,knew,grew, went,saw,ate,thought, bought,taught,fell,broke,hurt, lost,won,was,were。??? 常见的有下面几个：go-went, eat-ate,see-saw, buy-bought,teach-taught, think-thought,fall-fell,break-broke,hurt-hurt,is,am-was,are-were。用下面这一段话来记：昨天，我去饭店吃饭，看到Danny，给他买了球，教他玩，他认为他会，可是他摔倒了，摔断了尾巴，他的尾巴受伤了，他很可怜，是不是？??? B、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???? 三，不规则动词过去式和过去分词?A. 原型，过去式，