动词过去式变化规则.pptVIP

* * 的 变化规则 1、 一般情况下在词尾直接加ed。 如：play― played work― worked 一、规则动词的变化 2、以e结尾的动词只加d. 如：like ---- liked love ---- loved 3、以“辅音字母+y”结尾的动词， 变y为i，再加ed. 如：study― studied carry― carried 4、以重读闭音节结尾的动词，如果末尾只有一个辅音字母，要双写最后这个辅音字母，再加ed. 如：stop― stopped 词尾-ed的读音 (1)在浊辅音和元音后面读/d/. called borrowed closed moved (2)在清辅音后面读/t/. finished cooked helped watched (3)在/t/ /d/ 后面读/id/. wanted needed recited waited 二、不规则动词的过去式变化 1. beat（打击） cut let put read beat cut let put read [red] hit（打） cost hurt （伤害） set（放置） 过去式也不变 动词原形 动词过去式 2. come become sit get forget stand understand take mistake came became sat got forgot stood understood mistook took 动词原形 动词过去式 3. keep feel sleep sweep(打扫） leave meet feed speak freeze结冰 kept felt slept swept left met fed spoke froze break ---broke 动词原形 动词过去式 4. tell sell （握、抓）hold 5. can will shall may told sold held could would should might 6. grow know draw 7. say pay lay平放 grew knew drew [nju:] said paid laid fly---- flew throw -threw blow（吹）-blew