Iv. поставьте глаголы-сказуемые в соответствующей видовременной форме: 1. quite a large number of definitions (to give) to statistics as a science. 2. the war (to bring) major changes in the programme of statistical work and the methods of observation and processing. 3. all progressive knowledge in the modern world (to tend) to precision. 4. at present many countries (to declare) themselves republics, some of them (to become) independent and encourage the use of local languages. 5. they (to work) there for more than three hours when it (to happen 6. nowadays some difficult economic problems (to be solved) on the basis of statistical data. 7. a theory (to be known) to be tested by practice.

1. Quite a large number of definitions are given to statistics as a science. 
2. The war brought major changes in the programme of statistical work and the methods of observation and processing. 
3. All progressive knowledge in the modern world is tend to precision. 
4. At present many countries are declaring themselves republics, some of them become independent and encourage the use of local languages. 
5. They had been working there for more than three hours when it happened.
6. Nowadays some difficult economic problems are solved on the basis of statistical data. 
7. A theory is known to be tested by practice. 

1. It will rain tomorrow
It won't rain tomorrow
Will it rain tomorrow?
2. They will go home tomorrow
They won't go home tomorrow
Will they go home tomorrow?
3. I will have my lunch with Jess
I won't have my lunch with Jess
Will I have my lunch with Jess?
4. He will take his dog for a walk
He won't take his dog for a walk
Will he take his dog for a walk?
5. She will like this movie
She won't like this movie
Will she like this movie?
6. We will travel to India
We don't travel to India
Will we travel to India?
7. You will buy a new sweater
You won't buy a new sweater
Will you buy a new sweater?
8. I will adopt a dog
I won't adopt a dog
Will I adopt a dog?
9. Michael will take our photograph
Michael won't take our photograph
Will Michael take our photograph?
10. Lily will learn how to play a guitar
Lily won't learn how to play a guitar
Will Lily learn how to play a guitar?

1.He will go to the cinema.
Will he go to the cinema?
He won't go tovrhe cinema.
2.I shall read a book.
Shall i read a book?
I shan't read a book.
3.We shall go to the theatre.
Shall we go to the theatre?
We shan't go to the theatre.
4.Next year he will visit London.
Will he visit London next year?
He won't visit London next year.
5.The day after tomorrow they will dance.
Will they dance the day after tomorrow?
They won't dance the day after tomorrow.
6.I will do my homework.
Will i do my homework?
I won't do my homework.
7.You will go to school tomorrow.
Will you go to school tomorrow?
You won't go to the shool tomorrow.
8.He will translate this text.
Will he translate this text?
He won't translate this text.
9.She will buy milk.
Will she buy milk?
She won't buy milk.
10.He will do this exercise.
Will he do this exercise?
He won't do this exercise.