I think 候加it是形式主语还是形式宾语

I think 候加it是形式主语还是形式宾语 i think it's easy for me to learn english.那是形式主语还是宾语 I think ____(do) exercise is good for healthdo 是加ing还是原型,若加ing 这件事情得是主语,而现在I是主语,那么do是什么形式, 分析一下句子中的it：I can't help it if …I can't help it if he is always late.it做的是形式主语还是形式宾语，后面的是主语还是宾语？ 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? 如何区分it 作形式主语 还是主语像 it is hard to say 这里的it是形式主语吗 还是做句子的主语 是翻译成这个很难说 还是说很困难可是 我认为 这句话的主语应该是人 应该是 I am hard to say it 因为 1.I thought （）to find a Chinese restaurant.A.it is easy B.it easy C.its easy D.that easy2.Do you think it ＿(重要)to learn a foreign language well?这两句话是it做形式形式主语还是后跟宾语从句、? it 作形式主语（英语专业的请进）,选哪个：I think( ) is not good to smoke in public.A.this B.that C.it D.youit 作形式主语要具备什么条件,它前面可以是那些词,例如：I found it's interesting to play sports.I think i I think it is a good way to learn English ____ ____English movie.(watch)应填什么?watching,可我认为是to watch,因为it是形式主语,真正的主语应用动词不定式,为什么? I THINK it no use doing 结构对吗it不是做形式宾语吗怎么还做主语 I think it necessary that we take plenty of hot water every day .是用it作形式宾语的宾语从句那么I think it necessary to do sth,加不定式这种形式可以吗? 形式主语后面加什么I know it is useful to learn a language well it is my belief that i will find a cure for cancer是主从还是同位语从句是it做形式主语的主语从句,还是解释belief内容的同位语从句. 形式宾语为什么没有be动词I think it impossible to answer the question.表示成I think it's impoddible.形式宾语和宾语从句的关系是?为什么宾语从句没有be动词?形式主语中的it is possible.就是一个句子,为什么 I find that it is useful to learn English.it是形式主语, it's reported that里面的it是形式宾语还是逻辑主语 I think it hdrd to learn English.哪个是主语?hard 英语形式主语和形式宾语I think it important to learn EnglishI think it is important to learn English以上两个句子都没有错吗?第一个做形式宾语,第二个做形式主语.就这样么?怎么觉得形式宾语和形式主语差