47. Underline the correct form of the verbs to complete these sentences.

1. Steven Spielberg has directed/has been directing over twenty films.

2. He has worked/has been working on a new film since February.

3. Oxford University Press has published/has been publishing thousands of books

4. They have published/have been publishing for hundreds of years.

5. Madonna has recorded/has been recording albums for more than two decades.

6. She gas recorded/has been recording at least ten hit records.

48. Correct the mistakes.

1. I have looked for him all day. I can’t find him.

2. He has trying to fix the car all morning.

3. I have buying lots of food this week.

4. I not have brought any shampoo.

5. It has been snowed, but it’s stopped now.

6. How long they have been cleaning the house?

7. I’ve been knowing Lillian for two years.

8. Have you cried? Your eyes are red.

Modal verbs (can/could, may, should, must, have to)

49. Underline the correct verbs to complete the sentences.

1. Jeff can/can’t play the guitar, but he wants to learn.

2. You may not/shouldn’t eat chips every day. It’s not good for you.

3. Mum, can/should I borrow some money from you?

4. You mustn’t/don’t have to come if you don’t want to.

5. I can’t go out because I have to/may mend my bike.

6. Look at the sign. You don’t have to/mustn’t park here.

50. Read about Sue’s childhood memories and underline the correct words to complete the text.

Today, I 1) can/could speak over ten languages because when I was young we lived in a lot of different countries. Now, I live in England and I 2) don’t have to/didn’t have to learn any new languages. However, I suppose I just got into the habit of learning them and so I never stopped. Living in different countries was fun, but it was already difficult. Every time we mover to a new country I 3) have to/had to learn a new language and I 4) must/had to adapt to a new way of life. 5)Did I have to/I had to learn any really difficult languages? Yes, Chinese! When I arrived in Beijing, I 6) can’t/couldn’t speak any Chinese, not a single word and it was completely different from any other language I knew. And, of course, the writing is so different. I 7) can/couldn’t read the characters, or write them at first. I really hared being there for a while. But the good thing was that I 8) don’t have to/didn’t have to go to school! I had a teacher at home. I called him “Mr. Must” because he was always telling me what I must do… “To learn Chinese you must practice drawing your characters, you must do two hours of homework everyday”, and so on. Actually, he was a very good teacher. When I left China I 9) can/could speak Chinese fluently and I 10) can/could read and write over a thousand characters.

51. Underline the verbs to complete the sentences.

1. Kerry should/may work harder if she wants to pass the exam.

2. You can/have to train every day if you want to be in the school hockey team.

3. You mustn’t/don’t have to use your mobile phone on a plane. It isn’t permitted.

4. Sylvia is very artistic. She can/may paint very well, and she writes poetry too.

5. Ian doesn’t have to/mustn’t help at home, but he usually does some cooking.

6. Bill shouldn’t/can’t play basketball, but he’s going to learn next year.

7. Students may/must use the library after school this week if they want to.

8. You don’t have to/shouldn’t go to bed so late – I’m not surprised you’ve tired!