【错误表达】
She acts as though she is mad.
她好像疯了一样。
【讲解辨析】
As though引导的从句要使用虚拟语气。句中主句是she acts,主句中用的是一般现在时,那么从句就要使用一般过去时,is改为were。如果主句用的是一般过去时,从句就要用过去完成时。例如:I felt she had touched me. 我觉得她好像碰了我一下。
【正确表达】
She acts as though she were mad.
【举一反三】
She remained cool-hearted as though nothing had happened.
她仍然很冷静,好像什么事情都没有发生一样。