1.将陈述句变为一般疑问句时,如句中有be 动词(am/ is/ are)时,可直接将它们提至主语前。如主语为第一人称,应将其改为第二人称。如:I'm in Class 2Grade 1. → Are you in Class 2Grade 1﹖ We're watching TV. → Are you watching TV﹖ 2.陈述句中有情态动词(can may must …)时,也可直接将它们提至主语前,即可成为一般疑问句。如:He can swim now. → Can he swim now﹖ The children may come with us. → May the children come with us﹖ 3.陈述句中只有一个实义动词作谓语且其时态为一般现在时,变为一般疑问句时要在句首加do或does 主语后的实义动词用原形。如:I like these animals. → Do you like these animals﹖ She wants to go to the movies. → Does she want to go to the movies﹖希望我的回答对你有帮助,祝你学习进步