—I wish they ________(not be) always late. ②It is requested that Class Two ________(give) a performance at the English evening. ③He insisted that a deadline ________(set) for completing the task. 答案　①were not　②(should) give

　　③(should) be set 三、虚拟语气在其他场合的运用 1.虚拟语气在as if/as though, even if/even though等引导的表语从句或状语从句中，如果从句表示的动作发生在过去，用过去完成时；指现在状况，则用一般过去时；指将来状况则用过去将来时。 He did it as if he were an expert. Even if she were here, she could not solve the problem. 2.虚拟语气用于句型“It is (high)time (that)...”中，从句的谓语动词用一般过去时(be用were)或“should＋动词原形”，意思是“(现在)该……”，should不可以省略。 It’s time that I picked up my daughter. It’s high time we were going.

　　★在It is time that...should＋动词原形...结构中，should不能省略。 3.虚拟语气用在if only引导的感叹句中。

　　If only I were a pilot. If only I had taken his advice. 4.虚拟语气在一些简单句中的运用。

　　(1)情态动词的过去式用于现在时态时，表示说话人谦虚、客气、有礼貌或语气委婉，常出现在日常会话中。 It would be better for you not to stay up too late. Would you be kind enough to close the door?

　　(2)用于一些习惯表达法中。 Would you like a cup of tea?

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