modal verbs - making desuctions

Use the modal verbs: CAN'T, COULD, MIGTH, and MUST to :

• offer advice

• make recommendations

• make suggestions

• give opinions and say whether something is true or possible

Use MUST to say:

• I think it is possible

• It is for sure, I have no doubt

• It is impossible, it's not true.

Use COULD or MIGHT to say:

• I have no doubt that this is true.

• I think this is possible

• I don't think this is true

Use CAN'T to say____

• I have no doubt that this is true

• I think this is possible.

• I don't think this is true.

He ______live here. I always see his car parked on the street in front of the house.

• can't

• might/could

• must

He ______be visiting a friend or a member of his family.

• must

• might/could

• can't

They ____ be sisters, they don't look anything like each other.

• could

• might

• can't

They _____be good friends; they're always together.

• can't

• must

• might/could

She ____be out, I keep on trying to call her, but it goes straight to her answerting machine.

• must

• could/might

• can't

Her phone _____be out of order because she does not respond.

• must

• might

• can't