存在as if angry 这种省略吗

It seems that/as if在什么时候可以省略 He looks as if he were angry.请问这句话中as if引导的表从还是状从? 关于这个省略句John plays football as well as,if not better than,Dav 省略主语+be主从句主语要一致吗?（从百科摘得）在以 if,when,though,as if （好像）等连词引导的从句 C++if语句可以省略else吗? IF 从句 可以这样省略吗 look on as 中的as能省略吗? He looked as if he were drunk.句中可以省略 he were 其它什么情况下也可以省略? 高考英语一道省略句 played the piano aswell as, if __________, Miss Sw 这种物质存在吗?为什么? 存在龙这种生物吗 这种物质存在吗,为什么