最佳答案:肯定句:主语+used to+动词原形… I used to go to the cinema,but I never have time now.我过去经常去
最佳答案:I do my homework,don'I Can you play basketball ,can't you.I will clean the home,
最佳答案:Don't you understand?这个是反问句,否定词放在前面你举的例子是反意疑问句,回答时要前后一致yes,后面也一定是肯定的,no,后面就一定是否定