pay的过去式,ing,单三-搜答案-智慧作业帮

hears,hearing,heardbegins,beginning,beganwtites,writing,wrotesweeps,sweeping,swept

ing在动词后可理解为动作正在进行中,也称进行式.过去式用在动词上是指已经做过的,就像你昨天跑步（run）,今天在陈述的时候就要说ran.一般的单词只要在单词末尾加ed就算是过去式,但有些特例,背下来

practicespracticing再问：practice是一个名词还是动词？再答：可以是动词和名词practice['præktis]n.实践；练习；惯例vi.练习；实习；实行vt.练习

-de-ed-ing-s它符合一般的单词的规律.

sit-sitting-sat-sitsrun-running-ran-runsswim-swimming-swam-swimstake-taking-took-takessing-singing-s

uysbuyingbought

taketakingtookteachteachingtaughtbuybuyingboughtthinkthinkingthoughtbringbringingbroughtswimswimming

washwasheswashingwasheduseusesusingusedsetsetssetsetdodosedoingdidgetgetsgettinggotvisitvisitsvisiti

play的三单形式—plays,如果主语是第三人称,直接在后面加-Splay的过去式——played,如果为过去时态,直接加-ed

says,saying,said

worksworkingworkedlikeslikingliked

buy的三单过去式

uysbought

played,playing,plays

uy的过去式,boughting形式buying,三单形式buys注：by是介词,我认为你少打了个u,buy不明白的再问哟,请及时采纳,多谢!再问：by没有过去式,ing形式,三单形式吗？再答：完全正

watcheswatching

fly的过去式、flew三单形式、fliesing形式flying不明白的再问哟,请及时采纳,多谢!

三单在动词后加s，现在分词动词后加ing过去式动词后加ed再问：但是有很多特殊的啊，全部都要写出来再答：单词那么多很多都是没有规律的再问：靠，不是有很多种的吗？不单单只有一种啊再答：如果是以e结尾后面

send三单sends,ING,sending,过去式sentdraw过去式drewread过去式仍然是read,不过发音不同,是/red/

learned/learntlearninglearns再问：skate呢？再答：skatedskatingskates再问：sing呢？还有dance再答：sangsingingsingsdance

find原形found过去式found过去分词finding现在分词finds三单