动词的过去式单三能不能加S-搜答案-百度作业网

不用

只有在一般现在时里才存在单数第三人称加S的情况比如：HelikswatchingTV(他喜欢看电视)在一般过去时里要用动词的过去式,也就是加ed,此时不需考虑单数第三人称的情况.如：helikedwa

-de-ed-ing-s它符合一般的单词的规律.

1.amis没有现分吧was43.love+s去e+ing+d2.are单三、现分都没were44.post+s+ing+ed3.becomebecomesbecomingbecame45.pay+s

sits-sitting-sathas-having-hadgoes-going-wentstudies-studying-studiedtakes-taking-tookmakes-making-m

动词单三形式主要有以下几点1：直接在后面+s2：以e结尾的+s3：以ch,sh,结尾的+es4：以y结尾的,变y为i+es不规则变化1）child---childrenfoot---feettooth

单数,he,she,it后一般都加s可数名词后一般加s,以y结尾的变y为i加es,有的以s结尾的加es.再问：动词只有第三人称单数才加s吗？再答：不完全是，给主语了，主语还是单数，比如说给人名了，Lu

==、这也问...主要靠平时的积累..动词原形主要是在一般现在时或者在不定式之后,只有主动语态.eg：Iwanttoeat.被动语态最常见的就是be动词+动词的过去分词.然后按照时态来写.eg：The

liveslivinglivedwaitswaitingwaitedloseslosinglostdiesdyingdiedwriteswritingwrotecriescryingcriedhurr

ShewatchesTVeveryday.HelikeswatchingTV.Iteatsabonefordinnereverynight.

就近原则,只有离主语近的动词加s

是cleans,直接加S.

元音字母加y结尾的动词三单是直接加s,而辅音字母去y,加ies

其他都都加s补充：一般来说,是动词+s如果以s\ch\sh\x等结尾+es,以辅音字母+y结尾的词,去y该ies,以元音字母+y结尾的词,直接在y后+sexample:ask--askswash--w

1do--does--doing--did2drink--drinks--drinking--drank3drive--drives--driving--drove4draw--draws--draw

feeling,getting,staying,hearing,passing,kicking,bouncing,guessing,winning,laughing,watching,washing,

he是第三人称,动词后面加s,因为它不是过去的时态,所以不加ed

enjoys,enjoyed,enjoyed,finds,found,foundbegins,began,begun,plays,played,playedstudies,studied,studie

主语为第三人称时,在后面的动词加上s.

payed,playsswam,swimsread,readswrote,writesate,eatsdrank,drinkstook,takesflew,flieswalked,walkssit,s