一、我们已经学习的表推测的情态动词有： must/can/could/may/might 二、表推测的三种句式： 1. 在肯定句中一般用must，can/could，may/might，程度逐渐减弱。 e.g. He must/may/might know the answer to this question. e.g. You have worked all this week. You must be tired.