在英语上,我们把somebodyanybodynobadysomethinganythingnothingsomeoneanyonenone等等这样的词称之为复合不定代词,在不定代词之后,通常谓语动词用单三型式,（iswashas). 　　复合不定代词在句子中作主语时,谓语动词一般用单数形式.如：Nobodyknowshisname.没有人知道他的名字. 　　陈述部分主语是不定代词everybody,anyone,somebody,nobody,noone等,疑问部分常用复数they,有时也用单数he.Thisisournewheadmaster,isn’tit? 　　ThoseareJapanese,aren’tthey? 　　Oneshouldbereadytohelpothers,shouldn’tone? 　　Onecan’tbetoocareful,canyou? 　　Eachofthestudentshasadictionary,hasn’the? 　　Eachofthestudentspassedtheexamination,didn’tthey? 　　Noneofhismoneyisleft,isit? 　　Noneofhisfriendsareinterested,arethey? 　　Noneofhisfriendshascome,hashe? 　　Somethingwillhavetobedoneabouttheprice,won’tit?Everybodyiskindtoyou,aren’tthey? 　　Noonelefthereyesterday,didthey? 　　Someoneturnedthatradiodown,don’tthey? 　　Neithersidecouldwin,couldthey? 　　Everythingthathesaysisfalse,isn’tit? 　　Iamolderthanyou,aren’tI/ain’t 　　Iamworkingnow,ain’tI/amInot? 　　Iwishtoseethemovienow,may 　　IwishIwereyou,may