it作形式主语It is obvious that I am glad to answer your question 请问这里is是否可以删去?为什么有的句子诸如:It reminds me of having supper不加is?

比如it must be obvious中的it就是形式主语那么it is good也是形式主语吗?如何区分it是不是形式主语? it作形式主语It is obvious that I am glad to answer your question 请问这里is是否可以删去?为什么有的句子诸如:It reminds me of having supper不加is? it is obvious it 作形式主语的固定句型 it作形式主语怎么用?it+is+adj.+to+v. it is obvious that 造句 it is obvious that是什么意思 强调句it be that与主语从句中it形式主语区别主语从句that the driver could not control his car is obvious=it is obvious that the driver could not control his car.强调句it is i who/that am wrong it作形式主语的问题it 作形式主语的句型是 it + be动词,还是it + 谓语动词? 英语中一般什么情况用it is作形式主语开头的句型 To learn Chinese is difficult for a foreigner.改为用it作形式主语的句子 To obeythe laws is everyone's duty.改为用it作形式主语的句子 To swim in this river is very dangerous(用IT作形式主语改写句子） To study hard is very important.（改为it 作形式主语） It is...that...的句型 求详解It must be obvious what the problem itself is.it 是形式主语,obvious 是表语.这个不是强调句吧?what前面是不是省略了that?what引导的是个什么从句?It is not what we do once in a while that s 强调句与it作形式主语的区别 it作形式主语常见句式 有哪些 What time is it?What作主语还是作宾语