1.中文我要是你，我不会那么做。
(误)I shouldn’t do that if I as you.
(正)I shouldn’t do that if I ere you.(表示与现在事实相反的虚拟语气不能用as，只能用ere.)
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 ere here no， he ill tell me hat to do.
(正)If my father ere here no， he ould tell me hat 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ould，might等过去时。)
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 kne her telephone number， I ould have called her.
(正)If I had knon her telephone number， I ould 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 e.
(正)If it had not rained yesterday， he might have e.(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 ould try again.
(正)I don’t think that I shall fail. But if I should fail， I ould 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。)
6.中文他要是带了钱就会买它。
(误)Did he bring some money ith him， he ould have bought it.
(正)Had he brought some money ith him， he ould have bought it.(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，若省略if，则用倒装形式。)
7.中文她要是个男人可能会当选总统。
(误)Be she a man， she might be elected president.
(正)Were she a man， she might be elected president.(表示与现在事实相反的虚拟语气，不能用as，只能用ere;若省略if，则将ere放在句首。)
8.中文我提议提高教师的薪资。
(误)I suggested that the teachers’ ages could be increased.
(正)I suggested that the teachers’ ages should be increased.(suggest当建议讲时，后面的名词从句的主要动词要用should加原形动词，should可以省略。)
9.中文他这么做是重要的。
(误)It is important that he ill do it.
(正)It is important that he do it.(It is important+that引导的名词从句的动词要用should加原形动词，should可以省略。)
