第2个回答 推荐于2018-04-07
1. should
可以用于第一人称或第三人称的疑问句中,表示征求意见。
例如My brother likes to listen to CDs. He often plays his CDs too loud. What should I do?
2. should
表示义务,可以用于提供建议,表示
“应该”, 后面跟动词原形。
例如:Maria argued with her mother last night. She is very upset now. What should she do?
I think she should say sorry to her mother.
3. should
也用于表示某事发生的可能性,用于表示推测的词,意为
“可能”。
例如:
They should arrive soon.
4. could
不仅仅是充当
can
的过去式,
而且是一个单独的情态动词,
表示
“能;可以”,
用来提供建议,
后面跟动词原形,它和
should
在意义上不同,前者是
“可以”,后者是“应该”,表示不同的态度,但两个都可以用来提供建议。
例如:You could borrow a bike to that park.
I think you should have a talk with your friend.本回答被提问者和网友采纳