can regain
Verbo regular: regain - regained- regained

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can regain
you can regain
she can regain
we can regain
you can regain
they can regain 	I can be regaining
you can be regaining
she can be regaining
we can be regaining
you can be regaining
they can be regaining	I can have regained
you can have regained
she can have regained
we can have regained
you can have regained
they can have regained	I can have been regaining
you can have been regaining
she can have been regaining
we can have been regaining
you can have been regaining
they can have been regaining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot regain
you cannot regain
she cannot regain
we cannot regain
you cannot regain
they cannot regain 	I cannot be regaining
you cannot be regaining
she cannot be regaining
we cannot be regaining
you cannot be regaining
they cannot be regaining	I cannot have regained
you cannot have regained
she cannot have regained
we cannot have regained
you cannot have regained
they cannot have regained	I cannot have been regaining
you cannot have been regaining
she cannot have been regaining
we cannot have been regaining
you cannot have been regaining
they cannot have been regaining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I regain?
can you regain?
can she regain?
can we regain?
can you regain?
can they regain? 	can I be regaining?
can you be regaining?
can she be regaining?
can we be regaining?
can you be regaining?
can they be regaining? 	can I have regained?
can you have regained?
can she have regained?
can we have regained?
can you have regained?
can they have regained? 	can I have been regaining?
can you have been regaining?
can she have been regaining?
can we have been regaining?
can you have been regaining?
can they have been regaining? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not regain?
can you not regain?
can she not regain?
can we not regain?
can you not regain?
can they not regain? 	can I not be regaining?
can you not be regaining?
can she not be regaining?
can we not be regaining?
can you not be regaining?
can they not be regaining? 	can I not have regained?
can you not have regained?
can she not have regained?
can we not have regained?
can you not have regained?
can they not have regained? 	can I not have been regaining?
can you not have been regaining?
can she not have been regaining?
can we not have been regaining?
can you not have been regaining?
can they not have been regaining?