1. 改为反意疑问句
She is a student, isn't she?
2. 改为一般疑问句
He can swim fast.
Can he swim fast?
3. 改为否定句
I have a pencil.
I don't have a pencil.
4. 改为选择疑问句
You want to go to the park or the zoo?
Do you want to go to the park or the zoo?
5. 改为被动语态
The boy broke the window.
The window was broken by the boy.
6. 改为复数形式
This is a book.
These are books.
7. 改为比较级
Ted is tall.
Ted is taller than his sister.
8. 改为完成时态
I have eaten breakfast.
I have eaten breakfast already.