Pronunciation

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Plain form
do

Third-person singular
does

Past tense
did

Past participle
done

Present participle
doing

  1. The past tense of do.
    Sally did her homework.
    Who did this?

Plain form
do

Plain present
do

Third person singular
does

Past
did

Negative

don't

doesn't

didn't

Contraction

Plain present
None

Third person singular
's

Past
'd

  1. (auxiliary) The past tense of do as an auxiliary verb.
    Where did you go for your holiday?
    She did not like the movie.
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