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do

What is the past tense of do?

The past tense of do is did, and the past participle is done.

Do is an irregular (strong) verb: the vowel changes instead of adding -ed.

All forms of do

as a noun

base
do
plural
dos

as a verb

base
do
past tense
did
past participle
done
present participle
doing
third-person singular
does