16 Rewrite the sentences using the modal verbs in the list. There may be more than one answer . must mustn't should shouldn't • can • could don't have to 1 Do you mind if I leave the lesson early? 2 It's a good idea to carry some insect repellent when you trek through the jungle. 3 Pete is able to skate very well. 4. It's not necessary for you to dust the furniture every day. 5 We are obliged to make our beds every morning. 6 It's forbidden to park your car in a bus lane. 7 It's not a good idea to spend so much time playing video games.

1. There is an island in the ocean. 2. This is a wonderful car. The car is my brother’s. 3. Pass me the bread, please. 4. The Marmar Sea is in Turkey. 5. What a risky situation! 6. Cora was in the kitchen making sandwiches. 7. It is a clever decision. 8. There are exotic animals in the Zoo. Many people come to look at the animals. 9. If you look at the sky, you’ll see a lot of stars. 10. Mount Everest is the highest peak on the Earth. 11. Who was the first teacher you had at school? 12. The Roosevelts provided America with two presidents. 13. The most famous Italian river is Tiber. 14. It is a beautiful flower. I think Mary left the flower here. 15. Bermudas are in the Atlantic Ocean. 16. I often invite my friend for supper. 17. Detroit is the sixth largest city in the USA. 18. The population of the Russian Federation is about 150 million people. 19. The Hermitage is the richest museum in Russia. 20. The Freer Gallery of Art has a rich collection of Asian and American Art.

1)I didn't know that Joe had to get up early, so didn't wake him up. If I knew he had to get up early, I'd wake him up.
2) I was able to buy the car only because Jane lent me the money. If Jane didn't lend me the money, I wouldn't be able to buy the car.
3) Karen wasn't injured in the crash because she was wearing a seat belt. If Karen didn't wear a seat belt, she would be injured in the crash.
6) You didn't have any breakfast that's why you're hungry now. If you had some breakfast, you wouldn't be hungry.
7)I didn't get a taxi because I didn't have any money. If had some money, I would get a taxi.