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现在进行时态的肯定式、否定式、疑问式及简略回答。 1)肯定式：be+v-ing She is singing in the next room. 2)否定式：be+not+v-ing The students aren’t cleaning the room. 3)一般问句：be动词提前。 肯定答语Yes，主语+be。 否定答语No，主语+be not。 Are you playing the computer game? Yes, I am. /No, I am not. 4)特殊问句：对谓语动词进行提问的：What+be +主语+doing+其他? What is the old man doing under the tree? 对其他成份进行提问的，疑问词+一般疑问句? Where is the boy swimming? (责任编辑：admin) |