could的意思

基本释义

• 能

  used as the past tense of ‘can’ to say what someone was able to do or was allowed to do in the past

例句

1. By the time she was eight, she could read Greek and Latin.

   她八岁时就会读希腊文和拉丁文了。

2. In those days you could buy a box of cigars for a dollar.

   那时候，一美元能买一盒雪茄烟。

3. Could you hear what I was saying?

   你能听到我说的话吗？

短语

• could be 可能是；有可能
• could have 本能够；本来也可以
• how could i 我怎么能；我如何能够
• could have done 本来能做成的（却没做成）
• nobody could 没人能做到；那么别人也休想