�
OBLIGATION
SHOULD ,� MUST,� HAVE TO�
�
Read the following situations and fill in one of the following� verb forms:,
should, shouldn't, should have, shouldn't have , don't have�to, doesn't have to,� must, mustn't, must have.
�
�It�s 8.15 and school starts at 8.00. Mother to son:
���������������������������������������������� 
1 You be at�school at this time.
2 You� skip school, it�s bad for your education. It's also against the rules.
3 You� got up so late.
4 You take a bus, I�ll drive you to school.
5 You� go to bed earlier at night. You'd feel more relaxed in the morning.
�
�
Tom looks very pale and tired.�������
� � � � � � � � � � � � � � � � � � � � � � � � �� 
1 He studied a lot today.
2 He� rest a little before supper. It would do him good.
3 He� study so hard, he knows his lessons very well.
4 He� gone out for a walk in the middle of the afternoon.
5 He� try to be less scared of tests. He wouldn't suffer so much.�
6 He be very worried about tomorrow�s Maths test.�
�
�
Jerry said he would invite me to his party but he didn�t.
���������������������������������������� 
�
1 He� make false promises.
2 You�re such a fun at parties, he� invited you.
3 You� get offended, he may have forgotten to ring you up.
4 You� think there�s something wrong with you. It was Jerry�s mistake.
5 If� you don�t go to his party, you� buy him a present. That is an advantage!
�
�
�
Look, there�s going to be a terrible storm soon.
����������������������������������������� 
�
1 We� hurry home. I think it would be better and safer.
2 We brought an umbrella. We could have walked in the rain.
3 We� stand under a tree. It�s too dangerous.
4 Look, there�s a man selling umbrellas. We absolutely buy one.
5 We� pay�very much. I think 5 dollars will be enough.
�
�
The house smells of smoke. It�s terrible.
�������� 
�
1 Tom is in his room, he be smoking and he�never closes the door.
2 He� smoke so much. It�s bad for his health.
3 He� smoked at least 10 cigarettes since this morning.
4 You told him that he could smoke in his bedroom.
5 He� try to give up this bad habit.
�
�
�
