高考英语能把it is be +adj+从句的句式直接缩成adj+从句 即省略it is吗如把it is necessary that he should realize his situation写成necessary that he should realize his situation

问题描述:

高考英语能把it is be +adj+从句的句式直接缩成adj+从句 即省略it is吗
如把it is necessary that he should realize his situation写成necessary that he should realize his situation

不可以省略的,因为it 是形式上的主语,否则句子缺成分.