各位老师好,在反义疑问句中,must 表示“应该”,疑问句用 mustn't (不应该);而 must 表示“必须”,疑问部分用 needn't (不必),如 You must study hard next term, mustn't you? (应该)They must finish the work today, needn't they? (不必)可...
But if the students keep going, if businessmen start to wobble and if cracks were to appear in the army, the revolt could enter a new phase.个人按前后文分析,认为前两个 if 句为be- 型虚拟式,第三个 if 句为 were- 型虚拟式。但有其他同学认为前两个 if 句是真...