can persevere
Verbo regular: persevere - persevered- persevered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can persevere
you can persevere
he can persevere
we can persevere
you can persevere
they can persevere 	I can be persevering
you can be persevering
he can be persevering
we can be persevering
you can be persevering
they can be persevering	I can have persevered
you can have persevered
he can have persevered
we can have persevered
you can have persevered
they can have persevered	I can have been persevering
you can have been persevering
he can have been persevering
we can have been persevering
you can have been persevering
they can have been persevering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot persevere
you cannot persevere
he cannot persevere
we cannot persevere
you cannot persevere
they cannot persevere 	I cannot be persevering
you cannot be persevering
he cannot be persevering
we cannot be persevering
you cannot be persevering
they cannot be persevering	I cannot have persevered
you cannot have persevered
he cannot have persevered
we cannot have persevered
you cannot have persevered
they cannot have persevered	I cannot have been persevering
you cannot have been persevering
he cannot have been persevering
we cannot have been persevering
you cannot have been persevering
they cannot have been persevering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I persevere?
can you persevere?
can he persevere?
can we persevere?
can you persevere?
can they persevere? 	can I be persevering?
can you be persevering?
can he be persevering?
can we be persevering?
can you be persevering?
can they be persevering? 	can I have persevered?
can you have persevered?
can he have persevered?
can we have persevered?
can you have persevered?
can they have persevered? 	can I have been persevering?
can you have been persevering?
can he have been persevering?
can we have been persevering?
can you have been persevering?
can they have been persevering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not persevere?
can you not persevere?
can he not persevere?
can we not persevere?
can you not persevere?
can they not persevere? 	can I not be persevering?
can you not be persevering?
can he not be persevering?
can we not be persevering?
can you not be persevering?
can they not be persevering? 	can I not have persevered?
can you not have persevered?
can he not have persevered?
can we not have persevered?
can you not have persevered?
can they not have persevered? 	can I not have been persevering?
can you not have been persevering?
can he not have been persevering?
can we not have been persevering?
can you not have been persevering?
can they not have been persevering?