Вставьте необходимую форму глагола to be.
№ 1.
1. He ……. a doctor.
2. How ….. your father? He ….. fine.
3. We …… pilots.
4. My father …. an engineer.
5. …... this fox little? Yes, it …. .
6. Where …. you from? I …. from Russia .
7. Her uncle …. a worker.
8. That elephant …. grey.
9. How …. you? I …. fine.
10. The big balls …. on the table.

№ 2 .
1. This fox … little.
2. The little hares …. in the box.
3. How … your brother? He … fine.
4. Where … they from? They … from America.
5. Those horses … brown.
6. They … engineers.
7. My mother … a doctor.
8. … her aunt a teacher? Yes, she … .
9. That bear … in the bag.
10. … they from Great Britain? Yes, they … .

№ 3.
1. This monkey … in the bag.
2. My father …is a worker.
3. … they drivers? Yes, they … .
4. How … your sister? She … fine.
5. That fox … near the table.
6. Where … you from? I … from Great Britain .
7. These tigers … big.
8. The green crocodiles … in the box.
9. My sister … an engineer.
10. We … doctors.
№ 4
1. My uncle … a cosmonaut .
2. … she a pilot? Yes, she … .
3. They … workers.
4. This monkey … little.
5. How … your aunt? She … fine.
6. These elephants … big.
7. Where … he from? He … from America.
8. The nice dolls … under the table.
9. … her aunt a driver ? Yes, she … .
10. … we teachers? No, we … not .

Конечно, давайте поэтапно разберемся, как правильно вставить глагол "to be" в предложенные предложения.

№1

1. He is a doctor.
2. How is your father? He is fine.
3. We are pilots.
4. My father is an engineer.
5. Is this fox little? Yes, it is.
6. Where are you from? I am from Russia.
7. Her uncle is a worker.
8. That elephant is grey.
9. How are you? I am fine.
10. The big balls are on the table.

№2

1. This fox is little.
2. The little hares are in the box.
3. How is your brother? He is fine.
4. Where are they from? They are from America.
5. Those horses are brown.
6. They are engineers.
7. My mother is a doctor.
8. Is her aunt a teacher? Yes, she is.
9. That bear is in the bag.
10. Are they from Great Britain? Yes, they are.

№3

1. This monkey is in the bag.
2. My father is a worker.
3. Are they drivers? Yes, they are.
4. How is your sister? She is fine.
5. That fox is near the table.
6. Where are you from? I am from Great Britain.
7. These tigers are big.
8. The green crocodiles are in the box.
9. My sister is an engineer.
10. We are doctors.

№4

1. My uncle is a cosmonaut.
2. Is she a pilot? Yes, she is.
3. They are workers.
4. This monkey is little.
5. How is your aunt? She is fine.
6. These elephants are big.
7. Where is he from? He is from America.
8. The nice dolls are under the table.
9. Is her aunt a driver? Yes, she is.
10. Are we teachers? No, we are not.

Как видите, для каждого предложения важно выбрать правильную форму глагола to be в зависимости от лица, числа и контекста. В этих упражнениях, если речь идет о единственном числе, то используется форма is, а если о множественном числе — are.