过去式规则

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/05 02:07:40
过去式规则
xn0_%%]J(B(%iUlZ[ցJII^aIPE/c>v̰E \[tJKԫ0~S7ƐN[]@+4п^䝄XWx7po?@ۅ@%:%:",|Tu'yE3 Ύ$%AG%dNךKcB8dAS! lr$"-oC'@ƠZ]:LzSU&"G( '6Fm=?Heacy@g8W4OtֈWh;(.jBuVqԴI89l$cjYpItLJL=gwkށw*'`zI^pxAZ+ZlQ8($V~,f+tV}aGrEU>Ҏ[nlQ?TuT>F,BN3J$)FIOۃ=,'޳ǵfב!~O%;E;t`f j

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.