1. That computer IS (to be) very slow. 2. There IS NOT (not to be) a swimming pool at my school. 3. They HAVEN'T GOT (to have got) exams next week. 4. We sometimes COOK (to cook) for our friends. 5. Who TOOK (take) his book yesterday? 6. Wake up! The teacher IS ASKING (to ask) you a question. 7. You CAN (can/must) not install this program without a password. 8. You MUST (can/must) see a dentist. 9. How MUCH (much/many) homework do you get? 10. I can dance better THAN (than/as) you.