i feel it necessary 的句子成分分析下为啥不是 it is necessary

i feel it necessary 的句子成分分析下为啥不是 it is necessary it is necessary . 求find it necessary和lt is necessary的解释 It is necessary to do 的例句 I think it necessary to do sth.还是 I think it is necessary to it have been necessary 和 it is necessary 的区别?请问下句中it had bee if it is necessary /if necessary /when it is necessary 意思一样吗 when it is necessary 为什么可以变为when necessary? I know it is necessary fou you to learn Eglish. 有没有I think it is necessary to. i think it is necessary that. and that. 英语15.I think it is necessary for my