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1) It is demanded / necessary / a pity + that…结构中的主语从句的谓语动词要用should 加动词原形， should 可省略。 句型： (1)suggested It is (2)important that…+ (should) do (3) a pity (1)suggested, ordered, proposed, required, demanded, requested, insisted; + (should) do (2)important, necessary, natural, strange a pity, a shame, no wonder (3)It is suggested that we (should) hold a meeting next week. It is necessary that he (should) come to our meeting tomorrow. 2)在宾语从句中的应用 在表示命令、建议、要求等一类动词后面的从句中。 order, suggest, propose, require, demand, request, insist, command, insist + (should) do I suggest that we (should) hold a meeting next week. He insisted that he (should ) be sent there. 注意： 如suggest, insist不表示"建议" 或"坚持要某人做某事时"，即它们用于其本意"暗示、表明"、"坚持认为"时，宾语从句用陈述语气。 The guard at gate insisted that everybody obey the rules. 判断改错: (错) You pale face suggests that you (should) be ill. (对) Your pale face suggests that you are ill. | 
