2. *Mustn't* eat in the computer lab.
3. *Should* make some sandwiches?
4. *Shall* buy a new printer.
5. *Don't have to* go to the supermarket.
6. We *had to* wear gloves in the lab.
2)You mustn't eat in the computer lab.3)Shall I make you some sandwiches?
4)You should buy a new printer.
5)You don't have to go to the supermarket.
6)We had to wear gloves in the lab.
