can underexercise
Regular verb: underexercise - underexercised- underexercised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can underexercise
you can underexercise
she can underexercise
we can underexercise
you can underexercise
they can underexercise 	I can be underexercising
you can be underexercising
she can be underexercising
we can be underexercising
you can be underexercising
they can be underexercising	I can have underexercised
you can have underexercised
she 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
she can have been underexercising
we can have been underexercising
you can have been underexercising
they can have been underexercising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't underexercise
you can't underexercise
she 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
she 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
she 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
she can't have been underexercising
we can't have been underexercising
you can't have been underexercising
they can't have been underexercising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I underexercise?
can you underexercise?
can she underexercise?
can we underexercise?
can you underexercise?
can they underexercise? 	can I be underexercising?
can you be underexercising?
can she be underexercising?
can we be underexercising?
can you be underexercising?
can they be underexercising? 	can I have underexercised?
can you have underexercised?
can she 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 she have been underexercising?
can we have been underexercising?
can you have been underexercising?
can they have been underexercising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I underexercise?
can't you underexercise?
can't she 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 she 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 she 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 she have been underexercising?
can't we have been underexercising?
can't you have been underexercising?
can't they have been underexercising?