Modals of deduction

Modals of deductionPET / FCE

Must (when you are sure something is true)Youve been traveling all day. You must be tired.Carol must get very bored in her job. She does the same thing every day.

Cant (when you are sure something is impossible / not true)Brandon cant earn much money at his job. Hes still living with his parents.

Youve just had lunch. You cant be hungry already.They havent lived here for very long. They cant know many people.

May / might / could (when you think something is possibly true)Tonys phone is turned off.He might be on the plane now.

I dont know where Kate is. She may be at the gym.Laura might not like that skirt. Its not really her style.Jake could be at the party. Im not sure.

It / very hot

He / rich

It / original

He / poor

The movie / good

They / famous

The house / expensive

He / tired

It / expensive

She / sad

She / a teacher

It / old

They / having a party

It / new

It / hot

It / fast

It / noisy

It / dangerous

He / stressed

Probably / CertainlyYouve been working a lot. You ARE PROBABLY tired.Mary is very intelligent. She WILL CERTAINLY pass the test.

WILL/CAN/WOULD/MIGHT/BE... + PROBABLY/CERTAINLY

Mark has three jobs. He CERTAINLY WORKS a lot.Alice and Claire are very fit. They PROBABLY EXERCISE a lot.

PROBABLY/CERTAINLY + GO/PLAY/WORKS/NEEDS...

It / not good

She / scared

He / angry

The book / interesting

They / love each other