What's the difference between “can” and “could”？
How to use these two words？ And from the aspect of expressing mood, what's the difference?
Search from various English teachers...
Answers · 2
1
Here you go.
http://blog.oxforddictionaries.com/2013/07/can-or-could/
(You can always search for the keywords, for example: "difference can could".)
0
daaa
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