Modal verb must

Слайд 2

Must be Can be used to say that we are sure

Must be

Can be used to say that we are sure

about something because it is logically necessary.
Употребляется для выражения предположения, которое говорящий считает вполне правдоподобным ( в чём он уверен). Must в этом случае переводится должно быть, а инфинитив – глаголом в настоящем времени.
The phone is ringing. It must be Ann.
( Звонит телефон. Должно быть, это Аня.)
Слайд 3

Who can translate these sentences? Mary and her friends go camping

Who can translate these sentences?

Mary and her friends go camping every

weekend. That must be fun.
Jack never goes on excursion. He must think It’s boring.
The student must be in the classroom. They are writing a test.
Слайд 4

Must have been Is used with the Perfect Infinitive for deductions

Must have been

Is used with the Perfect Infinitive for deductions about

the past.
Употребляется для выражения предположения, которое относится к прошлому.Must в таких случаях переводится должно быть, вероятно, а инфинитив – глаголом в прошедшем времени.
Mary and her friends went camping last weekend. That must have been fun.
(Мери и её друзья ходили в поход на прошлой неделе. Должно быть, это было весело.)
Слайд 5

Who can translate these sentences? Look! There is a crowd of

Who can translate these sentences?

Look! There is a crowd of people

near the office. Something must have happened.
I waited for some time but nobody answered the phone call. Bob must have left already.
Jane is late. She must have missed her bus.
Слайд 6

Слайд 7

must have forgotten 1.Look! Here’s the letter John wrote yesterday. He

must have forgotten

1.Look! Here’s the letter John wrote yesterday. He to

post it.
2.Jane is coughing all the time. She a cold.
3.He never visits such exhibitions. He it’s a waste of time.
4.The boy looks so excited. Something
5.All the students at the meeting. Important problems are being discussed.
6.She speaks English with a strong American accent. She in the USA for a long time.
7.Why is Peter so irritable this morning? He out of bed on the wrong side again.
8.She didn’t congratulate me on my birthday. She about it.

must have forgotten

must have caught

must think

must have happened.

must be

must have lived

must have got

must have forgotten

Слайд 8

Translate from Russian into English Майк, вероятно, перевёл этот текст. Он

Translate from Russian into English

Майк, вероятно, перевёл этот текст.
Он должен быть

сейчас в библиотеке.
Они, должно быть, забыли послать письмо.
Он, вероятно, сейчас дома.
Вы, должно быть, оставили книгу в школе .
Слайд 9

Mike must have translated this text. He must be in the

Mike must have translated this text.
He must be in the

library now.
They must have forgotten to send a letter.
He must be at home now.
You must have left the book at school.