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1、Unit1 I wrote a long letter.,动词过去式有几种变化:,1.在动词后面直接加ed.,plant-planted,help-helped,2.以字母y结尾，先将y变成i再加ed.,carrycarried study-studied,3.不规则变化：,am/iswas areweredo/doesdid read-read,动词过去不规则变化分类:,1.与原形不同：go-went,2.拼写形式一样，但读音不同：,read-read,3.只改变词中的一个字母：,write-wrote,ride-rode,sing-sang,drink-drank,make-made,4.
2、字母相同，但字母排列顺序不同：,eat-ate,What did you do this morning?,I ate breakfast.,I read a book.,I wrote a letter.,I went to the park.,I made a model,I rode my bike.,plant-,watch-,wash-,cook-,planted,watched,listen-,help-,Paint-,call-,washed,cooked,listened,helped,painted,called,go-,went,eat-,ate,write-,wrote,
3、make-,made,sing-,sang,drink-,drank,take-,took,see-,saw,get-,got,bring-,brought,meet-,met,read-,read,put-,put,do-,did,does-,did,am-,was,is-,was,were,are-,have-,had,has-,had,buy-,bought,What did you buy at the store?,I bought a piece of candy.,What are you going to get at the store?,We are going to get a carton of ice cream.,Did they get two pairs of socks at the store?,Yes,they did.,No,they didnt.,They got two bottles of shampoo.,回忆一下,动词的过去式有几种变化形式？,Homework,1.将本节课所学的单词抄写5遍。2.预习下一课。,Thank you！,
