过去式规则

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过去式规则
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过去式规则
过去式规则

过去式规则
一,对于规则动词有以下变化规则:
1.一般直接在动词后加ed.例:work-worked finish-finished help-helped.
2.在以e结尾的动词后直接加d.例:hope-hoped like-liked joke-joked.
3.在辅音字母加y结尾的动词后,先将y改为i再加ed.例:carry-carried
study-studied try-tried.
4.以重读闭音节或r而末尾只有一个辅音字母时,须双写这个辅音字母再加ed.
例:clap-clapped stop-stopped plan-planned
二,对于不规则动词有以下几种形式:
1.动词原形与过去式,过去分词相同:
burst-burst-burst cut-cut-cut
2.动词原形与过去式,过去分词不相同,但过去式,过去分词相同:
bend-bent-bent build-built-built
3.动词原形,过去式,过去分词都不相同:
begin-began-begun blow-blew-blown
不规则动词有200多个,其过去式与过去分词要记住,才能运用自如.