Hello,
does a sentence that start with a past tense must not be followed by present tense, e.g., consider the following sentence:
"It was shown that any algorithm that computes the transitive closure ..."
I would greatly appreciate if you could elaborate when it's possible to follow a past tense by present (if at all).
Thank you.
You can use the present simple in that sentence because you're referring to a fact, something that is still true. It was shown that the earth goes round the sun. He told me that he loves his wife.
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You can use the present simple in that sentence because you're referring to a fact, something that is still true.
It was shown that the earth goes round the sun.
He told me that he loves his wife. (He still does)
I found out that she goes to the gym twice a week.
overlitMustn't a sentence that start with a past tense be followed by a present tense sequence ...
In your example, and the most ones I have in mind, it can. It depends on the situation of the latter term if it is still true or not.