can return
Verbo regular: return - returned- returned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can return
you can return
he can return
we can return
you can return
they can return 	I can be returning
you can be returning
he can be returning
we can be returning
you can be returning
they can be returning	I can have returned
you can have returned
he can have returned
we can have returned
you can have returned
they can have returned	I can have been returning
you can have been returning
he can have been returning
we can have been returning
you can have been returning
they can have been returning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't return
you can't return
he can't return
we can't return
you can't return
they can't return 	I can't be returning
you can't be returning
he can't be returning
we can't be returning
you can't be returning
they can't be returning	I can't have returned
you can't have returned
he can't have returned
we can't have returned
you can't have returned
they can't have returned	I can't have been returning
you can't have been returning
he can't have been returning
we can't have been returning
you can't have been returning
they can't have been returning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I return?
can you return?
can he return?
can we return?
can you return?
can they return? 	can I be returning?
can you be returning?
can he be returning?
can we be returning?
can you be returning?
can they be returning? 	can I have returned?
can you have returned?
can he have returned?
can we have returned?
can you have returned?
can they have returned? 	can I have been returning?
can you have been returning?
can he have been returning?
can we have been returning?
can you have been returning?
can they have been returning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I return?
can't you return?
can't he return?
can't we return?
can't you return?
can't they return? 	can't I be returning?
can't you be returning?
can't he be returning?
can't we be returning?
can't you be returning?
can't they be returning? 	can't I have returned?
can't you have returned?
can't he have returned?
can't we have returned?
can't you have returned?
can't they have returned? 	can't I have been returning?
can't you have been returning?
can't he have been returning?
can't we have been returning?
can't you have been returning?
can't they have been returning?