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Rafaela
Is ''should know'' correct? vs Should Have Known
most of the times I see ''you should've known'' but I wonder if ''should know'' it's correct (in the present tense)
e.g. You should know that this kind of attitudes are unnecessary
should have known - past
should know - present
is it right?
2017年3月15日 15:14
解答 · 1
1
"Why were you so rude to him? You should have known the right thing to say. I am angry with you now."
"If you want to avoid being rude, you should know the right thing to say."
Can you see the difference in usage?
2017年3月15日
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