English verb conjugation MUST DO DO

Regular verb: do do - do doed - do doed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I must do do
you must do do
he must do do
we must do do
you must do do
they must do do

V-ing form

I must be do doing
you must be do doing
he must be do doing
we must be do doing
you must be do doing
they must be do doing

Perfect

I must have do doed
you must have do doed
he must have do doed
we must have do doed
you must have do doed
they must have do doed

V-ing perfect

I must have been do doing
you must have been do doing
he must have been do doing
we must have been do doing
you must have been do doing
they must have been do doing

Negation

Simple form

I must not do do
you must not do do
he must not do do
we must not do do
you must not do do
they must not do do

V-ing form

I must not be do doing
you must not be do doing
he must not be do doing
we must not be do doing
you must not be do doing
they must not be do doing

Perfect

I must not have do doed
you must not have do doed
he must not have do doed
we must not have do doed
you must not have do doed
they must not have do doed

V-ing perfect

I must not have been do doing
you must not have been do doing
he must not have been do doing
we must not have been do doing
you must not have been do doing
they must not have been do doing

Interrogative form

Simple form

must I do do?
must you do do?
must he do do?
must we do do?
must you do do?
must they do do?

V-ing form

must I be do doing?
must you be do doing?
must he be do doing?
must we be do doing?
must you be do doing?
must they be do doing?

Perfect

must I have do doed?
must you have do doed?
must he have do doed?
must we have do doed?
must you have do doed?
must they have do doed?

V-ing perfect

must I have been do doing?
must you have been do doing?
must he have been do doing?
must we have been do doing?
must you have been do doing?
must they have been do doing?

Interro-negative form

Simple form

must I not do do?
must you not do do?
must he not do do?
must we not do do?
must you not do do?
must they not do do?

V-ing form

must I not be do doing?
must you not be do doing?
must he not be do doing?
must we not be do doing?
must you not be do doing?
must they not be do doing?

Perfect

must I not have do doed?
must you not have do doed?
must he not have do doed?
must we not have do doed?
must you not have do doed?
must they not have do doed?

V-ing perfect

must I not have been do doing?
must you not have been do doing?
must he not have been do doing?
must we not have been do doing?
must you not have been do doing?
must they not have been do doing?

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