行为动词的一般过去式变化规则 行为动词的过去式有规则变化和不规则变化两种.规则动词过去式的构成有四条规则: ①一般在动词原形末尾直接加上-ed.如:look-looked. ②以不发音的字母e结尾的动词,去e再加-ed.如:live-lived. ③末尾只有一个辅音字母的重读闭音节,先双写这个辅音字母,再加-ed.如:stop-stopped.④末尾是辅音字母+y结尾的动词,先变y为i,然后再加-ed.如:study-studied.(2)不规则动词的过去式需特殊记忆.如:am(is)-was, are-were, go-went, come-came, take-took, have (has)-had等.
(1)一般情况下,动词词尾加 ed (2)以不发音的 e 结尾动词,动词词尾加 d (3)以辅音字母 + y结尾的动词,把y变为i 再加ed (4)一元一辅重读闭,双写词尾辅音字母,再加 ed (5)不规则动词的过去式变化规律性不强
一、规则变化 1、 一般情况下,动词词尾加-ed, 如:workworked playplayed wantwanted askasked 2、 以不发音的-e结尾动词,动词词尾加-d, 如:livelived
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动词的过去式和过去分词的变化规则有五种,详细如下:1、一般在动词原形后加-ed 原形.例:look ;looked;looked,call;called;called 注意:-ed在清辅音音素后 发音为[t],
规则动词的过去式变化如下: 一般情况下,动词词尾加 -ed ,如: worked played wanted acted 以不发音的 -e 结尾动词,动词词尾加 -d,如: lived moved decided
当i发[]时,i变a:give-gave, swim-swam, sit-sat, ring-rang, sing-sang, begin-began, throw-threw, draw-drew, know-knew,另外fly和see的过去式也是以ew结尾,fly-flew,
可以这样来写1:直接+ed2:单词末尾是e直接+d3:不规则变化(不规律可循)4:y 末尾的y是元音直接+ed 末尾是辅音去y+ed 例如 cry变cried5:有一种像ing一样双写最后一个字母+ed 才类我哦
规则动词的过去式由“动词原形+-ed”构成,具体变化有: 1. 直接在词尾加-ed.如: wantwanted, workworked, needneeded, cleancleaned 2. 以不发音的e结尾
规矩动词的过去式改变如下:1. 一般情况下,动词词尾加 -ed ,如:work ---worked play---played wanted----wanted act----acted;2. 以不发音的 -e 结束动词,动词词尾加 -d,