can back
Regelmä&szlig;iges Verb: back - backed- backed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I can back
you can back
she can back
we can back
you can back
they can back 	I can be backing
you can be backing
she can be backing
we can be backing
you can be backing
they can be backing	I can have backed
you can have backed
she can have backed
we can have backed
you can have backed
they can have backed	I can have been backing
you can have been backing
she can have been backing
we can have been backing
you can have been backing
they can have been backing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I can't back
you can't back
she can't back
we can't back
you can't back
they can't back 	I can't be backing
you can't be backing
she can't be backing
we can't be backing
you can't be backing
they can't be backing	I can't have backed
you can't have backed
she can't have backed
we can't have backed
you can't have backed
they can't have backed	I can't have been backing
you can't have been backing
she can't have been backing
we can't have been backing
you can't have been backing
they can't have been backing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
can I back?
can you back?
can she back?
can we back?
can you back?
can they back? 	can I be backing?
can you be backing?
can she be backing?
can we be backing?
can you be backing?
can they be backing? 	can I have backed?
can you have backed?
can she have backed?
can we have backed?
can you have backed?
can they have backed? 	can I have been backing?
can you have been backing?
can she have been backing?
can we have been backing?
can you have been backing?
can they have been backing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
can't I back?
can't you back?
can't she back?
can't we back?
can't you back?
can't they back? 	can't I be backing?
can't you be backing?
can't she be backing?
can't we be backing?
can't you be backing?
can't they be backing? 	can't I have backed?
can't you have backed?
can't she have backed?
can't we have backed?
can't you have backed?
can't they have backed? 	can't I have been backing?
can't you have been backing?
can't she have been backing?
can't we have been backing?
can't you have been backing?
can't they have been backing?