[典例剖析] 单项选择。
( )—____ Linda write three years ago? —No. But she ____ read.

A.Could；could
B.Could；couldn't
C.Couldn't；couldn't

A

[反馈练习] 按要求完成句子。
1. I could write to my friends five years ago. (改为一般疑问句)
____ ____ ____ to ____ friends five years ago?
2. He could swim and skate last year. (改为否定句)
He ____ swim ____ skate last year.
3. Mr Green could play badminton well twenty years ago. (对画线部分提问)
____ ____ Mr Green ____ well twenty years ago?
4. Su Yang could make clothes with old newspapers. (对画线部分提问)
____ ____ Su Yang ____ clothes?
5. The little boy could draw a tiger at the age of three. (对画线部分提问)
____ ____ the little boy draw a tiger?

1. Could you write, your 2. couldn’t, or
3. What could, do 4. How could, make
5. When could