should underestimate
Verbe régulier : underestimate - underestimated- underestimated
Traduction française : sous-estimer - mésestimer 

Affirmation 	
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I'd underestimate
you'd underestimate
he'd underestimate
we'd underestimate
you'd underestimate
they'd underestimate 	I'd be underestimating
you'd be underestimating
he'd be underestimating
we'd be underestimating
you'd be underestimating
they'd be underestimating	I should've underestimated
you should've underestimated
he should've underestimated
we should've underestimated
you should've underestimated
they should've underestimated	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	

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

Forme interrogative 	
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should I underestimate?
should you underestimate?
should he underestimate?
should we underestimate?
should you underestimate?
should they underestimate? 	should I be underestimating?
should you be underestimating?
should he be underestimating?
should we be underestimating?
should you be underestimating?
should they be underestimating? 	should I have underestimated?
should you have underestimated?
should he have underestimated?
should we have underestimated?
should you have underestimated?
should they have underestimated? 	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? 	

Forme interro-négative 	
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shouldn't I underestimate?
shouldn't you underestimate?
shouldn't he underestimate?
shouldn't we underestimate?
shouldn't you underestimate?
shouldn't they underestimate? 	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? 	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? 	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?