2 Expand the sentences using the present perfect and the word in brackets.
1 you/play/cricket? (ever)

2 They/be/in/Italy/July (since)

3 I/know/Helen/four years (for)

4 Dave/make plans/for next week (already)

5 Lucy/miss/her flight (just)

6 Martin and Joel/be friends/they were at school (since)

7 Kerry/not eat/her lunch (yet)

8 We/live/here/ten years (for)

9 I/see/a shark/in the sea (never)

1. If you are busy, I will leave you. If you were busy, I would leave you. If you had been busy, I would have left you.

2. If my friend comes to see me,  I will  be very glad. If my friend came to see me, I would be glad. If my friend had come to see me , I would have been glad.

3. If mother buys a cake, we will have a very nice tea party. If mother bought a cake , we would hhave a very nice tea party. If mother had boughta cake , wewouid have had a verry nice tea party.

4. If we recieve a telegra from  him, we won't  worry. If  we recieved a telegram, we  wouldn't worry. If we had recieved a telegram from  him, we wouldn't have worried  

Объяснение:

If it's a vacation now, I would go to Moscow.2. Call her yesterday, we would not look so stupid now.3. Come on time, they would have finished work.4. If this were true, he would not deny it.5. Warn us, we would never interfere in this matter.6. If he were an artist, he would write my portrait.7. What would Gorky write about if he were alive now?8. Tell him about this before, everything would be different now.9. If I had money then, I would fly by plane.10. If I were again in these places, I would definitely go hunting.11. Put the letter in your bag, you would not lose it.12. I would buy my son skates, he can ride.