would是情态动词吗?He said that it would be possible to build a pla
would是情态动词吗?He said that it would be possible to build a platform in the centre of the Channel.
因为possible是形容词,所以前面要有系动词.又因为情态动词後边一定要用动词原形,所以用be原形.另外,would作情态动词时,後面的句子就一定是虚拟语气吗?上面这句话是虚拟语气还是别的其它用法?
it 是从句中的逻辑主语,还是形式主语?