英语第三人称单数

2min/10min三单是指第三人称单数“三”是指第三人称人称分为:第一人称I/we第二人称：you/you第三人称：he/she/it/they“单”是指单数，数量为“一”什么是“三单”？2min/10min何时用“三单”？在一般现在时中，当主语是第三人称单数时，谓语动词用“三单”。如何判断主语是不是“三单”？满足“三非”：

非你，非我，非复数，即为“三单”1min/14mins“三单”如何变形？①一般情况：在词尾加-s:write→writes，like→likes，get→gets②¢-s.-x.-ch,-sh.-o结尾的单词在词尾加-es：pass→passes,wash→washes,fix→fixes,go→goes,teach→teaches,do→does③以辅音字母+y结尾的单词,变y为i再加es;以元音字母+y结尾：直接加-s：carry→carries,study→studies,worry→worries,stay→stays,play→plays,buy→buys④特殊情况：have→hasbe→is1min/14mins如何判断主语为“三单”？

①人称代词he.she.it作主语：HelikeswatchingTV.Shehaslunchattwelve．Itlookslikeacat.

②单个人名、地名或称呼作主语：HanMeilookslikehermother.

BeijingisinChina.UncleWangoftenmakescakes.③单数名词或"thisV/-that/the/形容词性物主代词＋单数可数名词"作主语：Ahorseisausefulanimal.Thisbookisyours.Mycarisred.ThecatisLucy's.1min/14mins如何判断主语为“三单”？

④不定代词someone,somebody,nobody,everything,something等及指示代词this,that作主语时：Thereissomethingwrongwiththewatch.Everyoneishere.Thisisapen.Thatisaneraser.⑤不可数名词作主语：Themilkisintheglass.Thebreadisverysmall.⑥当数字或字母作主语：“6”isaluckynumber.“M”isaletter.练一练用所给动词的适当形式填空：He__________TVeveryevening.(watch)Hisuncleusually___________toworkbybus.(go)Hisparentsalways__________toparkonfoot.(go)Tomandhisclassmatesoften_______footballafterschool.(play)Yourshoes_______underthebed.(be)watchesgoesgoplayare练一练6.______hereand______byme.(come,stand)7.Lethim________(play)basketball.8.Everyone________(know)whathereallylike.9.Thatgirl_________(call)mee