一,對(duì)于規(guī)則動(dòng)詞有以下變化規(guī)則：
1.一般直接在動(dòng)詞后加ed.例：work-worked finish-finished help-helped.
2.在以e結(jié)尾的動(dòng)詞后直接加d.例：hope-hoped like-liked joke-joked.
3.在輔音字母加y結(jié)尾的動(dòng)詞后,先將y改為i再加ed.例：carry-carried
study-studied try-tried.
4.以重讀閉音節(jié)或r而末尾只有一個(gè)輔音字母時(shí),須雙寫(xiě)這個(gè)輔音字母再加ed.
例：clap-clapped stop-stopped plan-planned
二,對(duì)于不規(guī)則動(dòng)詞有以下幾種形式：
1.動(dòng)詞原形與過(guò)去式,過(guò)去分詞相同：
burst-burst-burst cut-cut-cut
2.動(dòng)詞原形與過(guò)去式,過(guò)去分詞不相同,但過(guò)去式,過(guò)去分詞相同：
bend-bent-bent build-built-built
3.動(dòng)詞原形,過(guò)去式,過(guò)去分詞都不相同：
begin-began-begun blow-blew-blown
不規(guī)則動(dòng)詞有200多個(gè),其過(guò)去式與過(guò)去分詞要記住,才能運(yùn)用自如.