I didn't know + past or present?

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I didn't know + past or present?

Post by Firefox » Wed Feb 20, 2019 1:31 pm

If you say "I didn't know that...", does the followup have to be past or can it be present if the situation is still true in the present?

I didn't know that you could swim.

or

I didn't know that you can swim?

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Re: I didn't know + past or present?

Post by Alan » Thu Feb 28, 2019 4:05 am

Formally, the former. Casually, the latter is acceptable.

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