Question

英语选择题

If he_____to come tomorrow,I would tell him everything.

为什么选择were？？？

Answer 1

① 虚拟现在时表示与现在事实相反的假设，其if 从句的谓语形式用动词的过去式(be 一般用were)，主句用would/ should/ could/ might +动词原形，例如：If I were in your position I would marry her.
② 虚拟过去时是表示与过去事实相反的假设，if 从句的谓语形式用过去完成时即had＋过去分词，主句用would / should / could / might + have +过去分词，例如：If it had not rained so hard yesterday we could have played tennis.
③ 大多数的虚拟条件句属于上面三种情况的一种，但并不排除存在条件和后果中，一个和现在情况相反，另一个和过去情况相反，例如：If you had followed what the doctor said, you would not have been so painful now.这个句子在高中出现频率颇高。

Answer 2

本题考查了非真实性条件句，就是我们通常说的虚拟语气
本题题意是“如果明天他来，我就告诉他一切”，是对将来的假设。虚拟语气要遵循下列规则：
1、表示与现在事实相反的情况：
if+主语+过去时，主语+should/would/could/might+do
2、表示与过去事实相反的情况
if+主语+had done ，主语+should/would/could/might+have done
3、表示对将来情况的主观推测
①if+主语+were to do+sth.，主语+should/would/could/might+do
② if+主语+did/be(were)+sth.，主语 +should/would/could/might+do
③if+主语+should+do+sth.，主语 +should/would/could/might+do

Answer 3

表示与现在事实相反的假设，if从句的谓语动词用动词的过去式，主句用should/could/would/might+动词原形（即过去将来时）。

Answer 4

虚拟语气