B.2.⇒John could play the piano when he was six.

3.⇒My brother could draw beautiful pictures when he was seven.

4.⇒We could speak two foreign languages when we were eighteen.

5.⇒She could dance when she was eight.

6.⇒Tiger Woods could play golf when they were three.

C.2.⇒Could you write your name when you were three?

3.⇒Could you read when you were two?

4.⇒Could you count from one to ten when you were two?

5.⇒Could you talk when you were three?

6.⇒Could you ride a bike when you were six?

7.⇒Could you swim when you were five?

bạn ơi cho mk xin ctl hay nhất nhé 

B.   S + could + Vo +.. + when + S + be ....

2.⇒John could play the piano when he was six.

3.⇒My brother could draw beautiful pictures when he was seven.

4.⇒We could speak two foreign languages when we were eighteen.

5.⇒She could dance when she was eight.

6.⇒Tiger Woods could play golf when they were three.

C  Could + S + Vo .... when + S + be ... ?

.2.⇒Could you write your name when you were three?

3.⇒Could you read when you were two?

4.⇒Could you count from one to ten when you were two?

5.⇒Could you talk when you were three?

6.⇒Could you ride a bike when you were six?

7.⇒Could you swim when you were five?