摘要：行为动词 就是我们平时上课时说的动词.表示某一动作或行为.如:sweep.live等. 行为动词我们已学过它们的四种形式:原形.第三人称单数+s/es.现在分词+ing.过去式+ed. (1)动词第三人称单数变化规则: A.一般直接加“s .如:play – plays, visit – visits, speak – speaks ,B.以“s .“x .“sh .“ch 结尾时.加“es .如:catch – catches, watch – watches ,C.以“辅音字母+y 结尾时.变“y 为“i 再加“es .如:carry – carries, study – studies . 构成规则: A.一般直接加“ing .如:go – going, do – doing, look – looking ,B.以不发音的“e 结尾的单词.去“e 加“ing .如:take – taking, make – making, have – having ,C.以重读闭音节结尾的词.如末尾只有一个辅音字母.需要双写这个字母再加“ing .如:put – putting, stop – stopping, run – running, get – getting, swim – swimming, sit – sitting, begin – beginning, jog – jogging, forget – forgetting . (3)过去式构成规则: A.一般直接加“ed .如:plant – planted, visit – visited, pick – picked ,B.以不发音字母“e 结尾.直接加“ed .如:like – liked, hope – hoped, taste – tasted ,C.以“辅音字母+y 结尾时.变“y 为“i 再加“ed .如:try – tried, carry – carried, study – studied ,D.有些动词要双写最后一个字母.再加“ed .如:stop – stopped ,E.还有很多动词的过去式是不规则的.请记忆:是-am(be)-was-being,是-are(be)-were-being,是-be-was, were-being,成为-become-became-becoming,开始-begin-began-beginning,弯曲-bend-bent-bending,吹-blow-blew-blowing,买-buy-bought-buying,能-can-could-----,捕捉-catch-caught-catching,选择-choose-chose-choosing,来-come-came-coming,切-cut-cut-cutting,做-do, does-did-doing,画-draw-drew-drawing,饮-drink-drank-drinking,吃-eat-ate-eating,感觉-feel-felt-feeling,发现-find-found-finding,飞-fly-flew-flying,忘记-forget-forgot-forgetting,得到-get-got-getting,给-give-gave-giving,走-go-went-going,成长-grow-grew-growing,有-have, has-had-having,听-hear-heard-hearing,受伤-hurt-hurt-hurting,保持-keep-kept-keeping,知道-know-knew-knowing,学习-learn-learned, learnt-learning,允许.让-let-let-letting,躺-lie-lay-lying,制造-make-made-making,可以-may-might----,意味-mean-meant-meaning,会见 -meet-met-meeting,必须-must-must----,放置-put-put-putting,读-read-read-reading,骑.乘-ride-rode-riding,响.鸣-ring-rang-ringing,跑-run-ran-running,说-say-said-saying,看见-see-saw-seeing,将-shall-should----,唱歌-sing-sang-singing,坐下-sit-sat-sitting,睡觉-sleep-slept-sleeping,说-speak-spoke-speaking,度过-spend-spent-spending . 练一练:

网址：http://m.1010jiajiao.com/timu3_id_3260708[举报]