can swap
Verbo regular: swap - swaped- swaped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can swap
you can swap
he can swap
we can swap
you can swap
they can swap 	I can be swaping
you can be swaping
he can be swaping
we can be swaping
you can be swaping
they can be swaping	I can have swaped
you can have swaped
he can have swaped
we can have swaped
you can have swaped
they can have swaped	I can have been swaping
you can have been swaping
he can have been swaping
we can have been swaping
you can have been swaping
they can have been swaping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't swap
you can't swap
he can't swap
we can't swap
you can't swap
they can't swap 	I can't be swaping
you can't be swaping
he can't be swaping
we can't be swaping
you can't be swaping
they can't be swaping	I can't have swaped
you can't have swaped
he can't have swaped
we can't have swaped
you can't have swaped
they can't have swaped	I can't have been swaping
you can't have been swaping
he can't have been swaping
we can't have been swaping
you can't have been swaping
they can't have been swaping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I swap?
can you swap?
can he swap?
can we swap?
can you swap?
can they swap? 	can I be swaping?
can you be swaping?
can he be swaping?
can we be swaping?
can you be swaping?
can they be swaping? 	can I have swaped?
can you have swaped?
can he have swaped?
can we have swaped?
can you have swaped?
can they have swaped? 	can I have been swaping?
can you have been swaping?
can he have been swaping?
can we have been swaping?
can you have been swaping?
can they have been swaping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I swap?
can't you swap?
can't he swap?
can't we swap?
can't you swap?
can't they swap? 	can't I be swaping?
can't you be swaping?
can't he be swaping?
can't we be swaping?
can't you be swaping?
can't they be swaping? 	can't I have swaped?
can't you have swaped?
can't he have swaped?
can't we have swaped?
can't you have swaped?
can't they have swaped? 	can't I have been swaping?
can't you have been swaping?
can't he have been swaping?
can't we have been swaping?
can't you have been swaping?
can't they have been swaping?