Complete the sentens, use the future perfect tense 1. when we meetcomplete the sentens, use the future perfect tense 1. when we meet on saturday 2. by this time next 3. by the seven o`clock we`ll 4. when the class is over the 5.by the end of the month 6. if you give us a chance 7.i promise that by the end of the day 8. the book is not so long, i think заранее

1.When we meet on Saturday they will have signed the contract.
2.By this time next week we will have been in Russia.
3.By seven o`clock we`ll already have done the tests.
4.When the class is over the pupils will have left the school.
5.By the end of the month everyone will have given in their books. 
6.If you give us a chance we will already have winished this work.
7.I promise that by the end of the day I will have learned by heart this poem.
8.The book is not so long, I think I will have finished it soon.