He opened his lips as if to say something.这是as if的什么用法

He opened his lips as if to say something.这是as if的什么用法谢谢了, he opened his lips as if he were to speak. he opened his lips as if -----? He opened his lips as if——to speak he opened his lips as if he were to speak.as if 后接对过去的虚拟不是应该 改代词1：He opened mouth as if to say something. He opened his mouth as if( ) He opened his mouth as if he were to speak 和He opened his mo as if 的用法, as if的用法 as...as if用法 as if 用法有时候是 as if he were.a runner...有时候是 as if he was runn