将下列句子转换成祈使句.1.You must catch the ball.2.I don't think you sh
将下列句子转换成祈使句.1.You must catch the ball.2.I don't think you should come in.3.You can' 将下列句子转换成祈使句. 1.You must catch the ball. 2.I don't think you should come in. 3.You can't do this. 4.You mustn't play basketbll on the road. 5.You needn't put your clothes on the desk.