English verb conjugation MUST UNDERESTIMATE

Regular verb: underestimate - underestimated - underestimated

Affirmation

Simple form

I must underestimate
you must underestimate
she must underestimate
we must underestimate
you must underestimate
they must underestimate

V-ing form

I must be underestimating
you must be underestimating
she must be underestimating
we must be underestimating
you must be underestimating
they must be underestimating

Perfect

I must have underestimated
you must have underestimated
she must have underestimated
we must have underestimated
you must have underestimated
they must have underestimated

V-ing perfect

I must have been underestimating
you must have been underestimating
she must have been underestimating
we must have been underestimating
you must have been underestimating
they must have been underestimating

Negation

Simple form

I must not underestimate
you must not underestimate
she must not underestimate
we must not underestimate
you must not underestimate
they must not underestimate

V-ing form

I must not be underestimating
you must not be underestimating
she must not be underestimating
we must not be underestimating
you must not be underestimating
they must not be underestimating

Perfect

I must not have underestimated
you must not have underestimated
she must not have underestimated
we must not have underestimated
you must not have underestimated
they must not have underestimated

V-ing perfect

I must not have been underestimating
you must not have been underestimating
she must not have been underestimating
we must not have been underestimating
you must not have been underestimating
they must not have been underestimating

Interrogative form

Simple form

must I underestimate?
must you underestimate?
must she underestimate?
must we underestimate?
must you underestimate?
must they underestimate?

V-ing form

must I be underestimating?
must you be underestimating?
must she be underestimating?
must we be underestimating?
must you be underestimating?
must they be underestimating?

Perfect

must I have underestimated?
must you have underestimated?
must she have underestimated?
must we have underestimated?
must you have underestimated?
must they have underestimated?

V-ing perfect

must I have been underestimating?
must you have been underestimating?
must she have been underestimating?
must we have been underestimating?
must you have been underestimating?
must they have been underestimating?

Interro-negative form

Simple form

must I not underestimate?
must you not underestimate?
must she not underestimate?
must we not underestimate?
must you not underestimate?
must they not underestimate?

V-ing form

must I not be underestimating?
must you not be underestimating?
must she not be underestimating?
must we not be underestimating?
must you not be underestimating?
must they not be underestimating?

Perfect

must I not have underestimated?
must you not have underestimated?
must she not have underestimated?
must we not have underestimated?
must you not have underestimated?
must they not have underestimated?

V-ing perfect

must I not have been underestimating?
must you not have been underestimating?
must she not have been underestimating?
must we not have been underestimating?
must you not have been underestimating?
must they not have been underestimating?

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