Unit 1 动词过去式变化规则
一、规则变化
1、一般情况下,动词词尾加-ed, 如:work—worked,play—played,want—wanted, laugh—laughed 2、以不发音的-e结尾动词,动词词尾加-d, 如:live—lived, like—liked 3、以“辅音字母+y”结尾的动词,把y改成i, 加—ed, 如:study—studied, try—tried, copy—copied, carry—carried, 4、重读闭音节动词,双写词尾辅音字母,再加—ed, 如:stop—stopped 5、不规则动词的变化: 如:am—was, is—was, are—were, can—could, tell—told(告诉),go—went(去) , say—said(说),get —got , give—gave 二、过去式“-ed”的发音规则 1.动词词尾为“t,d”时,发/ id /音。
如:want →wanted(要),need →needed(需要),point →pointed(指向) , shout→shouted(大喊) , visit →visited(拜访),start→ started(开始),
2.动词词尾为清辅音时,[p] [t] [k] [θ] [ts] [∫] [t∫] [tr] [f] [h],发/ t / 音。
如:help→helped(帮助),laugh →laughed(笑),look →looked(看),
wash →washed(洗),watch →watched (看),like → liked(喜欢)
4.动词词尾为t,d以外之浊辅音或元音时,发/ d /音。 如:live—lived,(居住)show—showed,(展示) 三、补充词组 1. show sb sth = show sth to sb 给某人展示某物 如: show theking his new clothes = show his new clothes to the king 2. try on sth= try sth on 试穿某物 如:try on thesemagic clothes = try these magic clothes on 3. 但当it 和them时,只能用 try it on 和 try them on.
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