3
Rewrite the sentences in your notebook using these modal verbs
have to, don't have to, mustn't, should as in the example.
1 It's prohibited to eat in the computer lab.
You mustn't eat in the computer lab.
2 I advise you to buy a new printer.
3 It's not necessary to go to the supermarket.
4 It's the rule to wear gloves in the science lab.