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Kindacrazy Posted 5 years ago
Grammar

Past tense after “did”

why do we say “I didn’t even know these existed” instead of “I didn’t even know these exist” I mean isn’t it grammatically incorrect to use past tense after did??

  

Top answer

kindacrazy I mean isn’t it grammatically incorrect to use past tense after did?? Not when the verb is in a dependent clause. ” The main verb is "did know".

  • kindacrazy I mean isn’t it grammatically incorrect to use past tense after did??
  • Not when the verb is in a dependent clause.
  • ” The main verb is "did know".
  • "know" is the base form of the verb.
  • The dependent clause is these existed.
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1 Answers
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kindacrazy I mean isn’t it grammatically incorrect to use past tense after did??

Not when the verb is in a dependent clause.

 “I didn’t even know (that) these existed.” 

The main verb is "did know". "know" is the base form of the verb.

The dependent clause is

these existed. 

The subject is "these" and the verb "

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