can fold
Verbo regular: fold - folded- folded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can fold
you can fold
he can fold
we can fold
you can fold
they can fold 	I can be folding
you can be folding
he can be folding
we can be folding
you can be folding
they can be folding	I can have folded
you can have folded
he can have folded
we can have folded
you can have folded
they can have folded	I can have been folding
you can have been folding
he can have been folding
we can have been folding
you can have been folding
they can have been folding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot fold
you cannot fold
he cannot fold
we cannot fold
you cannot fold
they cannot fold 	I cannot be folding
you cannot be folding
he cannot be folding
we cannot be folding
you cannot be folding
they cannot be folding	I cannot have folded
you cannot have folded
he cannot have folded
we cannot have folded
you cannot have folded
they cannot have folded	I cannot have been folding
you cannot have been folding
he cannot have been folding
we cannot have been folding
you cannot have been folding
they cannot have been folding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I fold?
can you fold?
can he fold?
can we fold?
can you fold?
can they fold? 	can I be folding?
can you be folding?
can he be folding?
can we be folding?
can you be folding?
can they be folding? 	can I have folded?
can you have folded?
can he have folded?
can we have folded?
can you have folded?
can they have folded? 	can I have been folding?
can you have been folding?
can he have been folding?
can we have been folding?
can you have been folding?
can they have been folding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not fold?
can you not fold?
can he not fold?
can we not fold?
can you not fold?
can they not fold? 	can I not be folding?
can you not be folding?
can he not be folding?
can we not be folding?
can you not be folding?
can they not be folding? 	can I not have folded?
can you not have folded?
can he not have folded?
can we not have folded?
can you not have folded?
can they not have folded? 	can I not have been folding?
can you not have been folding?
can he not have been folding?
can we not have been folding?
can you not have been folding?
can they not have been folding?