English verb conjugation SHOULD UNDERESTIMATE

Regular verb: underestimate - underestimated - underestimated

Affirmation

Simple form

I'd underestimate
you'd underestimate
he'd underestimate
we'd underestimate
you'd underestimate
they'd underestimate

V-ing form

I'd be underestimating
you'd be underestimating
he'd be underestimating
we'd be underestimating
you'd be underestimating
they'd be underestimating

Perfect

I should've underestimated
you should've underestimated
he should've underestimated
we should've underestimated
you should've underestimated
they should've underestimated

V-ing perfect

I should've been underestimating
you should've been underestimating
he should've been underestimating
we should've been underestimating
you should've been underestimating
they should've been underestimating

Negation

Simple form

I shouldn't underestimate
you shouldn't underestimate
he shouldn't underestimate
we shouldn't underestimate
you shouldn't underestimate
they shouldn't underestimate

V-ing form

I shouldn't be underestimating
you shouldn't be underestimating
he shouldn't be underestimating
we shouldn't be underestimating
you shouldn't be underestimating
they shouldn't be underestimating

Perfect

I shouldn't have underestimated
you shouldn't have underestimated
he shouldn't have underestimated
we shouldn't have underestimated
you shouldn't have underestimated
they shouldn't have underestimated

V-ing perfect

I shouldn't have been underestimating
you shouldn't have been underestimating
he shouldn't have been underestimating
we shouldn't have been underestimating
you shouldn't have been underestimating
they shouldn't have been underestimating

Interrogative form

Simple form

should I underestimate?
should you underestimate?
should he underestimate?
should we underestimate?
should you underestimate?
should they underestimate?

V-ing form

should I be underestimating?
should you be underestimating?
should he be underestimating?
should we be underestimating?
should you be underestimating?
should they be underestimating?

Perfect

should I have underestimated?
should you have underestimated?
should he have underestimated?
should we have underestimated?
should you have underestimated?
should they have underestimated?

V-ing perfect

should I have been underestimating?
should you have been underestimating?
should he have been underestimating?
should we have been underestimating?
should you have been underestimating?
should they have been underestimating?

Interro-negative form

Simple form

shouldn't I underestimate?
shouldn't you underestimate?
shouldn't he underestimate?
shouldn't we underestimate?
shouldn't you underestimate?
shouldn't they underestimate?

V-ing form

shouldn't I be underestimating?
shouldn't you be underestimating?
shouldn't he be underestimating?
shouldn't we be underestimating?
shouldn't you be underestimating?
shouldn't they be underestimating?

Perfect

shouldn't I have underestimated?
shouldn't you have underestimated?
shouldn't he have underestimated?
shouldn't we have underestimated?
shouldn't you have underestimated?
shouldn't they have underestimated?

V-ing perfect

shouldn't I have been underestimating?
shouldn't you have been underestimating?
shouldn't he have been underestimating?
shouldn't we have been underestimating?
shouldn't you have been underestimating?
shouldn't they have been underestimating?

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