2017年成考高起点数学(理)真题及答案:2017年成考高起点英语语法误用：虚拟语气

1、中文：我要是你，我不会那么做。

　　(误)I shouldn"t do that if I was you.

　　(正)I shouldn"t do that if I were you.(表示与现在事实相反的虚拟语气不能用was，只能用were.)

　　2、中文：要是我父亲现在在这里，他会告诉我该做什么。

　　(误)If my father were here now，he will tell me what to do.

　　(正)If my father were here now，he would tell me what to do.(表示与现在事实相反的虚拟语气中，主句的助动词只能用would，might等过去时。)[环球网校成人高考频道整理虚拟语气误用]

　　3、中文：要是我知道她的电话号码，我就会给她打电话了。

　　(误)If I knew her telephone number，I would have called her.

　　(正)If I had known her telephone number，I would have called her.(表示与过去事实相反的虚拟语气中，条件从句的动词要用过去完成时。)

　　4、中文：要是昨天没下雨她也许会来。

　　(误)If it had not rained yesterday，he might come.

　　(正)If it had not rained yesterday，he might have come.(表示与过去事实相反的虚拟语气中，主句的动词要用助动词的过去时might，could等+HAVE+过去分词。)

　　5、中文：我不认为我会失败，但要是我失败了，我会再努力。

　　(误)I don"t think that I shall fail. But if I failed，I would try again.

　　(正)I don"t think that I shall fail. But if I should fail，I would try again.(表示与将来事实相反的虚拟语气中，条件从句的动词用should加原形动词。)

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