Inserisci il verbo modale più appropriato (afferm., interr. o negat.) scegliendo tra: can, could, must, have to, might:
1.If you go to Vienna you….……try the local food: it’s delicious
2.Students …………write on classroom walls
3.Tell Mary she …………..go to the post office: I can go tomorrow
4.I can’t go out tonight: I ……….. finish my homework
5.“Where’s Dad?” “He ………..be in the garden”
6.You …………..be interested in the film: you keep yawning
7.All passengers …………..pass through the metal detector
8.What time ………….(you) get up in the morning?
9.I don’t know, he ………….phone tonight but he said he was not sure
10.How long …………(you) study yesterday?
11.………….you pass me the salt, please?
12.I would let you know if I ………………
13.“Where are the keys?” “I’m not sure, they ………….be on the table”