Преобразуйте предложения в вопросительную, отрицательную и утвердительную формы continions they are working at the scientific problems at present. he was waiting for you yesterday at 3 o'clock. she is translating a german article now. they were listening to the lecture yesterday at 6 o'clock. he will be preparing for the exam tomorrow all day long.

They aren’t working at the scientific problems at present. are they working at the scientific problems at present? he wasn’t waiting for you yesterday at 3 o'clock. was he waiting for you yesterday at 3 o'clock? she isn’t translating a german article now. is she translating a german article now? they weren’t listening to the lecture yesterday at 6 o'clock. were they listening to the lecture yesterday at 6 o'clock? he won’t be preparing for the exam tomorrow all day long. will he be preparing for the exam tomorrow all day long?

1. t hey are working at the scientific problems at present. they aren`t working at the scientific problems at present.are  they working at the scientific problems at present? 2.he  was waiting for you yesterday at 3 o'clock. he wasn`t waiting for you yesterday at 3 o'clock.was  he waiting for you yesterday at 3 o'clock? 3. s he is translating a german article now. she isn`t translating a german article now.is  she translating a german article now? 4.t hey were listening to the lecture yesterday at 6 o'clock. they weren`t listening to the lecture yesterday at 6 o'clock. were they listening to the lecture yesterday at 6 o'clock? 5.h e will be preparing for the exam tomorrow all day long. he won`t be preparing for the exam tomorrow all day long. will he be preparing for the exam tomorrow all day long?

1)opposite

2)likes

3)to

4)to

5)your

6)walked

7)the whole

8)by

9)the post come yet

10) for a while

11)will be

12)for

13)among

14)to

15)on

16) Did you have to

17)much less

18)this

19)like

20)will be here soon

21)nephew

22)won’t

23)take

24)than

25)arrived