一般疑问句:Do/Does +主语+动词原形+其他?句中加了 do/does 后,其后面的动词还是必须用动词原形。 ① I have a blue book.(变为一般疑问句) →Do you have a blue book? ② He has a brother. (变为一般疑问句) →Does he have a brother? ③ My brot