What are the 3 forms of do?

The 3 forms are: to do (infinitive), did (past tense), done (past participle)

Is do regular or irregular?

Do is an irregular English verb.

What is the present tense of do?

Present tense: I do, you do, he/she/it does, we do, you do, they do

What is the past tense of do?

Past tense: I did, you did, he/she/it did, we did, you did, they did

What is the present participle of do?

The present participle (ing form) is: doing

Verb Table for do

Simple tenses

Present
I	do
you	do
he/she/it	does
we	do
you	do
they	do

Past
I	did
you	did
he/she/it	did
we	did
you	did
they	did

Present Perfect
I	have	done
you	have	done
he/she/it	has	done
we	have	done
you	have	done
they	have	done

Past Perfect
I	had	done
you	had	done
he/she/it	had	done
we	had	done
you	had	done
they	had	done

*Will*-Future
I	will	do
you	will	do
he/she/it	will	do
we	will	do
you	will	do
they	will	do

*Going to*-Future
I	am	going to	do
you	are	going to	do
he/she/it	is	going to	do
we	are	going to	do
you	are	going to	do
they	are	going to	do

Future Perfect
I	will have	done
you	will have	done
he/she/it	will have	done
we	will have	done
you	will have	done
they	will have	done

Continuous tenses

Present
I	am	doing
you	are	doing
he/she/it	is	doing
we	are	doing
you	are	doing
they	are	doing

Past
I	was	doing
you	were	doing
he/she/it	was	doing
we	were	doing
you	were	doing
they	were	doing

Present Perfect
I	have been	doing
you	have been	doing
he/she/it	has been	doing
we	have been	doing
you	have been	doing
they	have been	doing

Past Perfect
I	had been	doing
you	had been	doing
he/she/it	had been	doing
we	had been	doing
you	had been	doing
they	had been	doing

*Will*-Future
I	will be	doing
you	will be	doing
he/she/it	will be	doing
we	will be	doing
you	will be	doing
they	will be	doing

*Going to*-Future
I	am	going to be	doing
you	are	going to be	doing
he/she/it	is	going to be	doing
we	are	going to be	doing
you	are	going to be	doing
they	are	going to be	doing

Future Perfect
I	will have been	doing
you	will have been	doing
he/she/it	will have been	doing
we	will have been	doing
you	will have been	doing
they	will have been	doing

Conditional

Conditional
I	would	do
you	would	do
he/she/it	would	do
we	would	do
you	would	do
they	would	do

Conditional Past
I	would have	done
you	would have	done
he/she/it	would have	done
we	would have	done
you	would have	done
they	would have	done

Imperative

do

Impersonal

*ing*-Form
doing

Past Participle
done

Browse the conjugations (verb tables)

Look up "do" in other languages

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