英语形式主语it’s my duty that we…...我想问的是 是否形势主语后一定加that?

英语形式主语it’s my duty that we…...我想问的是 是否形势主语后一定加that? It is my duty to keep my classroom clean and tidy it 是形式宾语还是形式主语 To obeythe laws is everyone's duty.改为用it作形式主语的句子 1,It’s my duty（ ）｛save｝ the patients. It's my duty to save patients.的同义句 It's my duty to save patients.的同义句 I feel it my duty to help you with your English这句话里,I feel it my duty对吗?如果I feel it's my duty呢? 请分析主语,谓语,宾语It is the duty of everybody to obey the law.to obey the law是宾补吗it 是形式主语。真正的主语是duty of everybody是duty It's my duty to work hard at school.同意句____ ______ at school_____ _______ my duty. It’s glad to see you again句子成分分析it是形式主语吗 ,有形式主语这个成分吗,好久没碰英语了 都忘了, it's my duty ...It's my duty to lok after the children.可以换成以下这样的表达吗It's my duty that I must look after the children. 这道题到底选哪个?-Tom,thank you so much for doing all this for me!-__________________A.It doesn't matter B.It's my pleasure C.Not at all D.It's my duty I really appreciate your help.—______________.A.It’s my duty B.I should help.C.I’d love t It‘s my duty to help my mother do some housework.改为同义句 I think It's my duty ______ make meals for my childen.不可灌水 英语 形式主语求,英语以it开头的形式主语的练习 英语不定式问题?（做主语）高中在不定式做主语的时候一定会有形式主语吗?it's useful to learn how to drive?如果有没有形式主语的请举例下. it做形式主语,后面紧跟的动词加s?