N..... modals. 1

LANGUAGE STUDY

MUST HAVE BEEN DONE

What is the difference ?

In which two sentences is the speaker making some kind of guess?

A) The stand was made of wood.

B)The stand must have been made of wood.

C) Several spectators were crushed to death .

D)Several spectators must have been crushed to death .

B) The stand must have been made of wood.

D) Several spectators must have been crushed to death.

the speaker making some kind of guess

In which two sentences in speaker talking about something actually seen or known ?

A) The stand was made of wood.

C) Several spectators were crushed to death.

speaker talking about something actually seen or known

From the sentences and notes below, makes guesses about what happened. Use must have .

Example: There weren’t any fire-extinguishers in the stand ( fire-extinguishers/removed )

The fire-extinguishers must have been removed .

Many people were trapped at the gates. ( gates / locked )

The gates must have been locked .

A cigarette fell on to the rubbish under the stands ( fire/start/cigarette )

The fire must have been started by a cigarette .

The seats caught fire easily ( seats/made of plastic )

The seats must have been made of plastic .

The rescuers ‘ clothes burst into flames. ( some of them /badly injured )

Rescuers must have been badly injured .

Nobody could get through the gates. ( lock/before the match )

The gates must have been locked before the match .

a) The stand must have been made of wood.

Talk about the following sentences using must have been done

Example: After the storm there was a tree lying on the ground.

It must have been blown down.

A man is sitting in a police car with handcuffs on.

He ………………………………………………….

must have been arrested

A famous painting has dissappeared from a museum. Nobody knows where it is.

It ……………………………………………

must have been stolen

5-The paint on the door is wet .

The door ………….…………………….

must have been painted

8-The building looked dirty last year,but now it doesn’t

It ……………………………………………

must have been cleaned

Was\were done

Talking about something actually seen or known

Must have been done

Making a guess

He must have been told

I’m absolutely sure that someone told him

He can’t be told

It isn’t possible to tell him

He can’t have been told

I’m sure that nobody told him

He might be told

Perhaps somebody will tell him

He might have been told

Perhaps someone told him

He can be told

It ‘s possible to tell him