4. (A) Fill in the right forms of the verb to be.
Today (1)........
Tom's birthday. He
(2)............... ... twelve years old today. All his
friends (3)......
.... there. His sister
(4) ............. there too. Her name (5).........
Kate. She (6)................
eleven years
old. Only Jenny, his girlfriend m).
not there. Where (8)..
... she? She
(9)...............
ill. They (10) .............. all in
the kitchen; it (11)...... ........ full of children.
all hungry and thirsty.
There (13)
a lot of sandwiches on
the table. There (14).............. some bottles
of lemonade, too. Tom's parents and
grandparents (15)...
........ not in the kitchen,
..... in the garden. They are
having tea. Tom's little brother Timmy
(17) .....
in his bed. It (18)
his time to sleep.
They (12)
they (16)

To fill in the blanks with the correct forms of the verb "to be," you need to consider the subject of each sentence and the tense, which in this case is present simple. Here's how the sentences should be completed:

1. Today is Tom's birthday.
2. He is twelve years old today.
3. All his friends are there.
4. His sister is there too.
5. Her name is Kate.
6. She is eleven years old.
7. Only Jenny, his girlfriend, is not there.
8. Where is she?
9. She is ill.
10. They are all in the kitchen;
11. it is full of children.
12. They are all hungry and thirsty.
13. There are a lot of sandwiches on the table.
14. There are some bottles of lemonade, too.
15. Tom's parents and grandparents are not in the kitchen, they are in the garden.
16. They are having tea.
17. Tom's little brother Timmy is in his bed.
18. It is his time to sleep.

In these sentences, the verb "to be" is used in its various forms - "is" for singular third-person subjects (like "he," "she," "it," and singular names), and "are" for plural subjects (like "they" or "friends").