1. 1)shouldn’t 2)should 3)should 4)shouldn’t 5)should 6)should 7)should 8)should 9)shouldn’t 10)should 2. 1)a/c 2)a 3)b 4)b 5)a 6)c 3. 1)should 2)shouldn’t 3) 4)ought to 5)should 6)ought to 4. 1-d 2-f 3-e 4-c 5-a 6-b 5. 1)I should sleep more, because I’m very tired 2)He shouldn’t play computer games so long 3) You ought to go to the new park 4)You ought not to meet with this man 5)She should sing louder