can underexercise
Verbe régulier : underexercise - underexercised- underexercised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can underexercise
you can underexercise
he can underexercise
we can underexercise
you can underexercise
they can underexercise 	I can be underexercising
you can be underexercising
he can be underexercising
we can be underexercising
you can be underexercising
they can be underexercising	I can have underexercised
you can have underexercised
he can have underexercised
we can have underexercised
you can have underexercised
they can have underexercised	I can have been underexercising
you can have been underexercising
he can have been underexercising
we can have been underexercising
you can have been underexercising
they can have been underexercising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't underexercise
you can't underexercise
he can't underexercise
we can't underexercise
you can't underexercise
they can't underexercise 	I can't be underexercising
you can't be underexercising
he can't be underexercising
we can't be underexercising
you can't be underexercising
they can't be underexercising	I can't have underexercised
you can't have underexercised
he can't have underexercised
we can't have underexercised
you can't have underexercised
they can't have underexercised	I can't have been underexercising
you can't have been underexercising
he can't have been underexercising
we can't have been underexercising
you can't have been underexercising
they can't have been underexercising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I underexercise?
can you underexercise?
can he underexercise?
can we underexercise?
can you underexercise?
can they underexercise? 	can I be underexercising?
can you be underexercising?
can he be underexercising?
can we be underexercising?
can you be underexercising?
can they be underexercising? 	can I have underexercised?
can you have underexercised?
can he have underexercised?
can we have underexercised?
can you have underexercised?
can they have underexercised? 	can I have been underexercising?
can you have been underexercising?
can he have been underexercising?
can we have been underexercising?
can you have been underexercising?
can they have been underexercising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I underexercise?
can't you underexercise?
can't he underexercise?
can't we underexercise?
can't you underexercise?
can't they underexercise? 	can't I be underexercising?
can't you be underexercising?
can't he be underexercising?
can't we be underexercising?
can't you be underexercising?
can't they be underexercising? 	can't I have underexercised?
can't you have underexercised?
can't he have underexercised?
can't we have underexercised?
can't you have underexercised?
can't they have underexercised? 	can't I have been underexercising?
can't you have been underexercising?
can't he have been underexercising?
can't we have been underexercising?
can't you have been underexercising?
can't they have been underexercising?