MODALS
Consider the following:
• We have to wear uniform.
• I have to study for the final.
• My jacket has worn out, I need to buy a new one.
• I am sweating, I need to take off my jacket.
have to, need to
Use have to :
• for rules:
• E.g./ You have to leave your phone outside examination room.
• for important things that you can’t not do:
• E.g./ I have to go to university at 7: 30.
• Use need to:
• For something that you need to do.
• e.g./ I need to find a job.
• I need to eat more fruit.
• For something which is a good idea:
• I have gained weight. I need to go to the gym.
Don’t have to, don’t need to:
• Tomorrow is holiday, you don’t have to/ need to wake up early.
• You don’t have to/ need to buy a gift.
Have to, need to
• Have to and need to are just like main verbs. Explain
• EG/ You don’t have to wash your hands.
Must/ mustn’t
• Use it for something which is necessary.
• I have a toothache, I must go to the dentist.
• For rules:
• You must leave your camera outside.
Mustn’t VS Don’t have to
• You mustn’t smoke.
• You don’t have to apologize.
• You don’t have to bring your car.
Had to, will have to
• Had to is the past form of:
1. Have to.
2. Must.
E.g./ I couldn’t come to the party because I had to study.
Will have to
• Will have to is the future form of:
1. Have to.
2. Must.
E.g./ I will have to buy a new dress for my birthday.
- I failed in the midterm, I will have to study hard for the final.
Should, ought to, must
• Use it for giving advices and suggestions:
• Advice the following (make suggestions for the following):
1. I am really sick.
2. My friend is angry.
3. I forgot everything for the exam.
4. She is late everyday.
Might, may, must be, can’t be
• They are used for possibility; when we think something is true but we aren’t sure.
• She didn’t come to work. She may be sick. (she might be sick.)
• They aren’t at home, they must be at work.
• She is too young, she can’t be a mother.
• He has two grandsons, he must be old.