— My cousin who is only 2 years

- My cousin, who is only 2 years old, can already speak. - Can your sister play the piano? - Messi can play football very well. - Let’s buy some Chinese food. I can’t cook very well. - My uncle, who is a chef, is able to prepare delicious dishes. - If you save money, you will be able to buy a new car.

- When I was four years old, I could read and write. - Sarah’s grandmother could sing very well. -My cousin couldn’t swim until last year and now she can swim better than me.

- Can you pass me the salt, please? (REQUEST) - Can I come in? (ASK FOR PERMISSION) - Ok, you can go now. (GIVE PERMISSION)

- Could you help me with this exercise? It’s so difficult. COULD is also used to make a polite suggestion. A: I’m going to Holland next week. B: Oh, really? You could visit your Dutch relatives then. - Mrs. Lola, may I go to the toilet?

- Would you open the window, please? It’s so hot in here. - Would you like a sandwich? - Will you help me with the suitcases, please? They’re so heavy. - Shall I help you with your luggage?

- Students in private schools must wear a uniform. (RULE) - All of our friends are going to that party. We must go too. (NECESSITY)

The obligation comes from the speaker The obligation doesn’t come from the speaker MUM: You must be home by 11 o’clock. You go out. When it’s time to go, you can say: “I’ll leave. I have to stay home by 11 o’clock. ”

They have more or less the same meaning but… HAVE TO is used for all the forms MUST doesn’t have. Moreover, HAVE TO is used in the interrogative sentence. - Do you have to go right now? - Yesterday I had to do the washing because the washingmachine broke down. - If you want to be successful, you will have to work very hard.

Prohibition No obligation, no necessity -You mustn’t smoke in the premises. (IT IS PROHIBITED, IT IS NOT ALLOWED) - You don’t have to wear a uniform at school. (IT IS NOT NECESSARY)

-She needn’t bring anything; there’s lots of food. -She doesn’t have to bring anything; there’s lots of food.

- It’s 8 o’clock. Sally must be at work. (I’M SURE) - It’s 8 o’clock. Sally can’t be at home. (IT’S IMPOSSIBLE)

-Advice -Opinion -Moral duty -You ought to improve your manners. - I think you should tell him the truth. - Carol should visit her grandfather more often.

Scissors can be dangerous if not used properly. I may go to the party. (I’m not sure, it’s possible) I might go to the party. (I’m not sure, it’s improbable)