Match the columns according to the meaning of the modal verb in bold in each sentence below.

1 – Impossibility

2 – Possibility

3 – Prohibition

4 – Advice

( ) Mark studied hard for his exams, but he got poor marks; he can’t be very clever

( ) You should work less! You look too tired!

( ) She may be in the garden.

( ) You mustn’t enter here.