.it's ( ) that...sb.(should) do sth.用原型 括号中可填的词有哪些?

it's requested that sb should do it's high time that sb were还是was It‘s （high）time （that）sb did sth/sb should do sth什么意思 It's sb's sth? 形式主语加形容词加that后面要用虚拟语气吗.如It's important that sb should do和it's relaxed that sb do it upset sb that 造句 it occurred to sb that... 请问是It upset sb to do sth还是It upsets sb to do sth?还有It upset sb that还是It upsets sb that?如果不加s,请说明为什么. It's important for sb是That's important for us.还是That’s important to us. It's for sb.和It's of sb. 用下面的信息造句,并用It's +adj.+that...或It's+adj.+(for sb.)to do sth。。。。 用下面的信息造句,并用It's +adj.+that...或It's+adj.+(for sb.)to do sth it's exciting还是excited +that 从句 it’s exciting还是excited for sb to do sth it's the first time that与sb is the first to do 的区别 it's the first time that sb.have done到底是不是强调句 .it's ( ) that...sb.(should) do sth.用原型 括号中可填的词有哪些? its the first time that sb have done sth为什么从句用完成时 --Who is that over there?--( ) my mothera.She'sb.It's