can return
Regular verb: return - returned- returned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can return
you can return
she can return
we can return
you can return
they can return 	I can be returning
you can be returning
she can be returning
we can be returning
you can be returning
they can be returning	I can have returned
you can have returned
she 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
she can have been returning
we can have been returning
you can have been returning
they can have been returning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't return
you can't return
she 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
she 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
she 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
she can't have been returning
we can't have been returning
you can't have been returning
they can't have been returning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I return?
can you return?
can she return?
can we return?
can you return?
can they return? 	can I be returning?
can you be returning?
can she be returning?
can we be returning?
can you be returning?
can they be returning? 	can I have returned?
can you have returned?
can she 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 she have been returning?
can we have been returning?
can you have been returning?
can they have been returning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I return?
can't you return?
can't she 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 she 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 she 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 she have been returning?
can't we have been returning?
can't you have been returning?
can't they have been returning?