переведите предложения на английский язык пожалуйста ,не переводчик только сами.

Are there children in the park? Yes, they are seven.

Is there a big clock in your flat? Yes, it is.

Who is there in the park? There are boys and girls of our group.

What is it on the plate? There is mutton.

Whose bag is there on the desk? It's mine.

What is there in the box? There is a pen.

What pen is there in the box? It is the red one.

are there children in the park?
2)yes,there're 7 children in the park
3)is there a big clock in your flat?
4)yes.who is it in the park?
5)there're girls and boys of our group
6)what is it on the plate?
7)its a mutton
8)whose is this yellow bag on the table?
9)its my
10)what is it into the box?
11)its a pen
12)what pen is it into the box?
13)this pen is red

1. Are there ANY children in the park?
2. Yes, there are seven OF THEM
3. Is there a LARGE clock in your flat (американский вариант - apartment)
4. OH, who's THERE in the park?
5. There are boys and girls, WHO BELONG to our group
6. What's it in the plate (вариант on the dish)?
7. It is mutton (вариант lamb) NB! БЕЗ артикля, а то получается, что на тарелке - ягнёнок
8. To whom does that yellow bag on the desk belong?/ Whose that yellow bag on the desk there?
9. It belongs to me/It's MINE
10. What does the box contain?
11. (It contains) a pen
12. What kind of pen is there?
13. There is a red (цвет) или red-ink (с красными чернилами) pen.
Более верный вариант с точки зрения языка