Помогите с английским 4 класс стр. 18 упр. 13, стр. 19 упр. 15,16,17

Стр. 18

1. A beautiful shell.

2. Yes, it is.

3. He's an elf.

4. The Shell Kingdon

5. Kevin

Задание 15

Build - built

Teach - thought

Swim - swum

Know - knew

See - saw

Want - wanted

Put - put

Hide - hide

Brake - broke

Run - ran

Come - came

Упр.16

2. Plates, crabs.

3. Sandcastles

4. Kevin's

5. Ran

Упр.18

2. No, it didn't.

3. Yes, he has.

4. No, he can't

5. Yes, they are.

6. Yes, he is

7. Yes, he is