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1、（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。（2）现在分词（动名词）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–tak
2、ing,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
3、–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；成为-become-became-becoming；开始-begin-began-beginning；吹-blow-blew-blowing；买-buy-bought-b
4、uying；捕捉-catch-caught-catching；选择-choose-chose-choosing；是-be-was,were-being；弯曲-bend-bent-bending；能-can-could-----；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-
5、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；
6、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-sit
7、ting；睡觉-sleep-slept-sleeping；说-speak-spoke-speaking；度过-spend-spent-spending
