高三英语语法精选知识点汇总 高三英语语法知识点1 虚拟语气 I?虚拟语气在if?引导的条件句中的易错点。? 1?if?my?lawyer?had?been?here?last?Saturday,?he?would?have?prevented?me?from?going.? 2?if?you?had?studied?hard?at?school,?you?would?be?a?college?student?now.? 句子12都是虚拟语气在条件句中的使用,从句中都是假设过去的情况,所以用过去完成时,但在主句中,句1依然指代过去的情况,谓语动词是would?have?done,而