LESSON 18. Write about data storage, internal and external storage devices and back up. LESSON 19. Complete the sentences using the correct question tags.
1. You're addicted to shopping, __________________?
2. They weren't part of the regular team, __________________?
3. You can't give it back to the owner, __________________?
4. Let's take a day off tomorrow, __________________?
5. She has her hair styled every week, __________________?
6. Mum will be happy to see you, __________________?
7. John keeps talking all the time. That's disgusting, __________________?
8. They haven't ever bought a new car, __________________?
9. I'm such a good swimmer, __________________?
10. He wouldn't agree with you, __________________?
Lesson 20. Complete the sentences with suitable modal verbs.
TYPE USE MODAL VERBS EXAMPLE
1 to express possibilities for the future -COULD, MAY, MIGHT. It may rain tomorrow.
2 to express certainty -CAN'T, COULDN'T, MUST. She can't be Irish.
3 for possible explanations -COULD, MAY, MIGHT. She could be Scottish.
They (may/must).......................... be away for the weekend but I'm not sure.
He (can/could).......................... be French, judging by his accent.
They (can't/may).......................... still be out!
With luck, tomorrow (can't/could).......................... be a sunny day.
You (can/might).......................... be right but I'm going to check anyway.
The exam (can't/might).......................... be easy. You never know.
It (may/can't).......................... be true about a sauropod dinosaur living in Lake Telé in the Congo. It's impossible.
Dave reckons she's from The States but I think she (can't/might).......................... be from Scandinavia.
I (can't/might).......................... go to the party but I'm not sure yet.
This (must/could).......................... be the right answer but we'll have to check with your teacher to make sure.
She (can't/could).......................... steal things from shops. She's rich and famous.
I really think Real Madrid (can't/could).......................... lose the final of the King's Cup.
She's been revising 10 hours a day for 3 weeks. She (could/must).......................... be exhausted.
Nobody's answering. They (can't/must).......................... be out.
He (can't/may).......................... be from the USA. He doesn't speak English.