English verb conjugation MUST FOUND

Regular verb: found - founded - founded


Affirmation

Simple form

I must found
you must found
he must found
we must found
you must found
they must found

V-ing form

I must be founding
you must be founding
he must be founding
we must be founding
you must be founding
they must be founding

Perfect

I must have founded
you must have founded
he must have founded
we must have founded
you must have founded
they must have founded

V-ing perfect

I must have been founding
you must have been founding
he must have been founding
we must have been founding
you must have been founding
they must have been founding

Negation

Simple form

I must not found
you must not found
he must not found
we must not found
you must not found
they must not found

V-ing form

I must not be founding
you must not be founding
he must not be founding
we must not be founding
you must not be founding
they must not be founding

Perfect

I must not have founded
you must not have founded
he must not have founded
we must not have founded
you must not have founded
they must not have founded

V-ing perfect

I must not have been founding
you must not have been founding
he must not have been founding
we must not have been founding
you must not have been founding
they must not have been founding

Interrogative form

Simple form

must I found?
must you found?
must he found?
must we found?
must you found?
must they found?

V-ing form

must I be founding?
must you be founding?
must he be founding?
must we be founding?
must you be founding?
must they be founding?

Perfect

must I have founded?
must you have founded?
must he have founded?
must we have founded?
must you have founded?
must they have founded?

V-ing perfect

must I have been founding?
must you have been founding?
must he have been founding?
must we have been founding?
must you have been founding?
must they have been founding?

Interro-negative form

Simple form

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

V-ing form

must I not be founding?
must you not be founding?
must he not be founding?
must we not be founding?
must you not be founding?
must they not be founding?

Perfect

must I not have founded?
must you not have founded?
must he not have founded?
must we not have founded?
must you not have founded?
must they not have founded?

V-ing perfect

must I not have been founding?
must you not have been founding?
must he not have been founding?
must we not have been founding?
must you not have been founding?
must they not have been founding?