1、Wear your sports shoes in the P.E.class.2、Practice the guitar here.3、Selina dosen't have to bring her CD piayer to school.4、Don't get there early.5、We needn't wear T-shirt at school.You have to finish your homework before five o'clock in the afternoon.(改为否定句)You don't have to finish your homework before five o'clock in the afternoon.You have to eat healthy food every day.(改为否定句)You don't have to eat healthy food every day.