Open the brackets and use the correct tense from. 1.jane(to learn) a lot of things about animals by friday. 2.the students (to prepare) for the trip by that time yesterday. 3.i was surprised, because i never (to see) a grizzly bear. 4.the forest was full of rubbish.somebody (to throw) it. 5.when the students (to return) their friends ( to go) away. 6.when we ( to reach) the forest the travellers already ( to camp) 7.the students ( to solve) some ecological problems in the camp by sunday.

1. Will learn
2.prepared
3. Have never seen
4. Threw
5. Returned, go
6.reached, have already camped
7. Will solve

go on
grow up
give up
carry out
wash up
put up
pick up
throw away
cut down
stay out

b)
1. Large companies cut down the trees for valuable hardwood.
2. Don’t throw things away. Use them in another way.
3. Litter collectors pick up all the litter near cafes and restaurants.
4. Let’s put up a notice about a football club.
5. He usually washes up after dinner.
6. Students must carry out all the necessary work at the lesson.
7. He gave up watching horror films before going to bed.
8. He wants to be a pilot when he grows up.
9. She always goes on about her school problems.
10. My mother doesn’t allow me to stay out so late.

1. What are you going to do tomorrow at three?
2. When you come to me tomorrow ,I'm going to help my mother
3.Next summer we will go to Moscow
4.Yesterday,at 6 o'clock I've done my job
5. When will the movie,I have 2 hours I will knit socks
6. Tomorrow, at 6 PM mom to clean up, and I'll do
7.They won't go camping with us
8. When you will weed the beds,I water all the flowers
9. When you perform the job,I have 2 hours I will be waiting for you at grandma's
10. Where would you go on a Sunday?
11. Next Tuesday ,2 o'clock, I have to paint the picture
12. Tomorrow I will come to you
13. I usually go to bed at 11 o'clock
14. you have already written test?
15. Mu walk in the evenings.