can underexercise
Verbo regular: underexercise - underexercised- underexercised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot underexercise
you cannot underexercise
he cannot underexercise
we cannot underexercise
you cannot underexercise
they cannot underexercise 	I cannot be underexercising
you cannot be underexercising
he cannot be underexercising
we cannot be underexercising
you cannot be underexercising
they cannot be underexercising	I cannot have underexercised
you cannot have underexercised
he cannot have underexercised
we cannot have underexercised
you cannot have underexercised
they cannot have underexercised	I cannot have been underexercising
you cannot have been underexercising
he cannot have been underexercising
we cannot have been underexercising
you cannot have been underexercising
they cannot have been underexercising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not underexercise?
can you not underexercise?
can he not underexercise?
can we not underexercise?
can you not underexercise?
can they not underexercise? 	can I not be underexercising?
can you not be underexercising?
can he not be underexercising?
can we not be underexercising?
can you not be underexercising?
can they not be underexercising? 	can I not have underexercised?
can you not have underexercised?
can he not have underexercised?
can we not have underexercised?
can you not have underexercised?
can they not have underexercised? 	can I not have been underexercising?
can you not have been underexercising?
can he not have been underexercising?
can we not have been underexercising?
can you not have been underexercising?
can they not have been underexercising?