i think it necessary to do it.这个句子能不能写成i think to do it necessary.有语法错误吗.

问题描述:

i think it necessary to do it.这个句子能不能写成i think to do it necessary.有语法错误吗.

不能
但是it后面可以加上is

把不定式直接作主语是可以的,但是后面的谓语动词丢掉了.应该再加一个is:I think to do it is necessary.第一个句子I think it necessary to do it.这里第一个it是形式宾语,只有it能做形式宾语.不能用 to do it做形...