Вставьте подходящий модальный глагол (must / can / need)
Sonia practise so much if she wants to take part in the marathon.
If you want to improve your English, you work very hard.
You not come to help them tomorrow: the work is done.
You not change the whole text as the beginning is all right.
John not tell us the rules of the game: we know them.
We not afford to pay the bill.
It is already six o’clock. We hurry if we don’t want to be late.
She decorate a room nicely.
You take care of your parents.
We stay with my brother when we are in Paris.

Complete the sentences with the positive or negative forms of must or have to.
Brilliant! I study tonight because I've finished my exams.
You use a mobile phone on a plane.
You can go out, but you be home by midnight.
Jo go to school by bus. She lives nearby.
We cook tonight. We can get a pizza.
She get up early. She's on holiday.
You study harder or you are going to fail.
You drive faster than 120 km/h on the motorway.
Complete the sentences with the correct modal verb in italics:
You couldn’t / mustn’t / shouldn’t eat so many hamburgers. They're not good for you.
You can’t have / don’t have to /mustn’t study at the weekends, except when you have exams.
You may not / might not /needn’t Everything will be OK.
You don’t have to /might not/mustn’t use your mobile phone in class.
Diana looks happy. She can /can have /must have heard some good news.
I can’t /may not /might not have left my mobile phone at school on Friday afternoon – I had it on Friday night.
It can /could / couldn’t rain tomorrow.

Sonia must practise so much if she wants to take part in the marathon. This means that it is necessary for Sonia to practice a lot if she wants to participate in the marathon. The word "must" indicates a strong obligation or necessity.

If you want to improve your English, you have to work very hard. In order to improve your English, it is necessary for you to put in a lot of effort and work hard. "Have to" expresses a general obligation or necessity.

You don't need to come to help them tomorrow: the work is done. There is no requirement or necessity for you to come and help them tomorrow because the work has already been completed. "Don't need to" indicates that there is no obligation or necessity.

You don't have to change the whole text as the beginning is all right. There is no requirement or obligation for you to change the entire text because the beginning is already correct. "Don't have to" expresses that there is no obligation or necessity.

John doesn't need to tell us the rules of the game: we know them. There is no requirement or necessity for John to tell us the rules of the game because we already know them. "Doesn't need to" indicates that there is no obligation or necessity.

We can't afford to pay the bill. We do not have enough money to pay the bill, so it is not possible for us to afford it. "Can't afford to" expresses a lack of ability or means.

It is already six o'clock. We must hurry if we don't want to be late. In order to avoid being late, it is necessary for us to hurry because the time is already 6 o'clock. "Must" indicates a strong obligation or necessity.

She can decorate a room nicely. She has the ability or skill to decorate a room nicely. "Can" expresses ability or possibility.

You must take care of your parents. It is necessary for you to take care of your parents. "Must" indicates a strong obligation or necessity.

We have to stay with my brother when we are in Paris. It is necessary for us to stay with my brother when we are in Paris. "Have to" expresses a general obligation or necessity.

Complete the sentences with the positive or negative forms of must or have to.
Brilliant! I don't have to study tonight because I've finished my exams. There is no necessity or obligation for me to study tonight because I have already finished my exams.

You can use a mobile phone on a plane. You have the ability or permission to use a mobile phone on a plane. "Can" expresses ability or permission.

You can go out, but you have to be home by midnight. You have the option to go out, but there is a requirement or obligation for you to be home by midnight. "Have to" indicates a general obligation or necessity.

Jo has to go to school by bus. She lives nearby. It is necessary for Jo to go to school by bus because she lives nearby. "Has to" expresses a general obligation or necessity.

We don't have to cook tonight. We can get a pizza. There is no requirement or obligation for us to cook tonight because we have the option to get a pizza. "Don't have to" indicates that there is no obligation or necessity.

She doesn't have to get up early. She's on holiday. There is no requirement or obligation for her to get up early because she is on holiday. "Doesn't have to" indicates that there is no obligation or necessity.

You must study harder or you are going to fail. It is necessary for you to study harder if you want to avoid failing. "Must" indicates a strong obligation or necessity.

You mustn't drive faster than 120 km/h on the motorway. It is not permissible or allowed for you to drive faster than 120 km/h on the motorway. "Mustn't" indicates a prohibition or restriction.

Complete the sentences with the correct modal verb in italics:
You shouldn't eat so many hamburgers. They're not good for you. It is not advisable or recommended for you to eat so many hamburgers because they are not good for your health. "Shouldn't" indicates advice or recommendation.

You don't have to study at the weekends, except when you have exams. There is no obligation or necessity for you to study at the weekends, except when you have exams. "Don't have to" indicates that there is no obligation or necessity.

You might not Everything will be OK. It is possible that everything will not be OK. "Might not" indicates possibility or uncertainty.

You mustn't use your mobile phone in class. It is not permissible or allowed for you to use your mobile phone in class. "Mustn't" indicates a prohibition or restriction.

Diana must have heard some good news. Diana is likely to have heard some good news. "Must have" indicates a strong probability or deduction.

I may not have left my mobile phone at school on Friday afternoon – I had it on Friday night. It is possible that I did not leave my mobile phone at school on Friday afternoon because I had it on Friday night. "May not have" indicates possibility or uncertainty.

It could rain tomorrow. There is a possibility that it might rain tomorrow. "Could" indicates possibility or uncertainty.