(1)

I am sad.

He is angry.

he is hungry.

They are happy.

Peter is thirsty.

We are friends.

You are a teacher.

You are tired.

Peter and Ann are attractive

(2)

My friends aren't hungry.

My friend isn't thirsty.

She isn't intelligent.

He isn't kind.

They aren't rich.

Ann and Pam aren't...

You aren't a doc...

You aren't docto...

My dog isn't...

(3)

Am I hungry?

Is she funny?

Is he smart?

Are they awesome?

Is he new?

Ответ:

1)

1. am

2. is

3. is

4. are

5. is

6. are

7. are

8. are

9. are

10. are

1. aren’t

2. isn’t

3. isn’t

4. isn’t

5. aren’t

6. aren’t

7. aren’t

8. aren’t

9. aren’t

10. isn’t

3)

1. Are you hungry?

2. Is she funny?

3. Is he smart?

4. Are they awesome?

5. Is he new?

Объяснение:

Спряжение глагола to be в настоящем времени:

I am

You, We, They are

He, She, It is.

В отрицательных предложениях к соответствующей форме добавляется частица not

I am not или I‘m not

You (we, they) are not или You (we, they) aren’t

He (she, it) is not или He (she, it) isn’t

В вопросительных предложениях глагол в соответствующей форме выносится вперед:

Am I

Are you ( we, they)

Is he (she, it)