Bu fe'llar shart, majbul bo'lmoq, tog'ri kelmoq ma'nolarini anglatadi. Must fe'li faqat hozirgi zamonda ishlatiladi.
Must fe'lining so'roq shakli must fe'lini egadan oldinga chiqarish, bo'lishsiz shakli esa need va not inkor yuklamasini qo'yish
bilan yasaladi.
I must be there at 5 o'clock.
Must he passthe exam now?
He needrft do it.
To have to must fe'lining ekvivalentligi bo'lib, so'roq va bo'lishsiz shakli to do yordamchi fe'li yordamida yasaladi.
You have to take an umbrella, because it is raining.
You don't have to take umbrella because it is not raining.
Do you have to take an umbrella?

Bu fe'lning o'tgan zamon shakli had to.
It was late i had to take a taxi.
It wasn't late I didn't have to take a taxi.
Did you have to take a taxi ?

Kelasi zamon shakli shall va will yordamida yasaladi.

If it rains you will have to take an umbrella.
I shall have to phone you tomorrow.
Will you have to leave for Samarkand next week?
We shall not have to book the tickets in advance because she got them yesterday.

=>. Gaplarni tarjima qiling.

If you want to improve your English you must work hard.
You must attend all the lessons , otherwise you can't pass your exams.
You must do everything in time
The doctor says you must stay at home for a day or two.
Where is he? He must be working .
She doesn't come to the Institute. She must be ill.
He knows six languages he must be clever.
You needn't agree if you think I am wrong.
You needn't answer me now.
You needn't take my advice.
He needn't work late , if he is tired.
You needn't leave home if it is snowing.

=>. Gaplarni so'roq va bo'lishsiz shaklini bering.

You have to finish these exercises today.
We have to to leave early.
They had to move to another flat.
He had to wait for her for a long time.
We shall have to send a letter tomorrow.
I have to wear warm clothes in winter.
They will have to change trains in London.
We had to discuss our plans yesterday.