1. “be going to+动词原形”结构的一般疑问句是将be的相应形式前移到句首，即“Are/Is/Am+主语+going to+动词原形+其它?”。其否定句是在be动词的相应形式后加not.如：(1)They are going to play football this afternoon.(肯定句)(2)Are they going to play football this afternoon?(一般疑问句)(3)They are not going to play football this afternoon. (否定句)2. “shall/will+动词原形”结构的一般疑问句是将shall或will前移到句首，即“Shall/Will+主语+动词原形+其它?”。其否定句是在shall或will后加not.如：(1)Our teacher will come back very soon. (肯定句)(2)Will our teacher come back very soon?(一般疑问句)(3)Our teacher won’t come back very soon. (否定句)