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

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should underestimate
you should underestimate
she should underestimate
we should underestimate
you should underestimate
they should underestimate 	I should be underestimating
you should be underestimating
she should be underestimating
we should be underestimating
you should be underestimating
they should be underestimating	I should have underestimated
you should have underestimated
she should have underestimated
we should have underestimated
you should have underestimated
they should have underestimated	I should have been underestimating
you should have been underestimating
she should have been underestimating
we should have been underestimating
you should have been underestimating
they should have been underestimating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should not underestimate
you should not underestimate
she should not underestimate
we should not underestimate
you should not underestimate
they should not underestimate 	I should not be underestimating
you should not be underestimating
she should not be underestimating
we should not be underestimating
you should not be underestimating
they should not be underestimating	I should not have underestimated
you should not have underestimated
she should not have underestimated
we should not have underestimated
you should not have underestimated
they should not have underestimated	I should not have been underestimating
you should not have been underestimating
she should not have been underestimating
we should not have been underestimating
you should not have been underestimating
they should not have been underestimating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I underestimate?
should you underestimate?
should she underestimate?
should we underestimate?
should you underestimate?
should they underestimate? 	should I be underestimating?
should you be underestimating?
should she be underestimating?
should we be underestimating?
should you be underestimating?
should they be underestimating? 	should I have underestimated?
should you have underestimated?
should she 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 she have been underestimating?
should we have been underestimating?
should you have been underestimating?
should they have been underestimating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I not underestimate?
should you not underestimate?
should she not underestimate?
should we not underestimate?
should you not underestimate?
should they not underestimate? 	should I not be underestimating?
should you not be underestimating?
should she not be underestimating?
should we not be underestimating?
should you not be underestimating?
should they not be underestimating? 	should I not have underestimated?
should you not have underestimated?
should she not have underestimated?
should we not have underestimated?
should you not have underestimated?
should they not have underestimated? 	should I not have been underestimating?
should you not have been underestimating?
should she not have been underestimating?
should we not have been underestimating?
should you not have been underestimating?
should they not have been underestimating?