can undo
Unregelmä&szlig;iges Verb: undo - undid- undone

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I can undo
you can undo
he can undo
we can undo
you can undo
they can undo 	I can be undoing
you can be undoing
he can be undoing
we can be undoing
you can be undoing
they can be undoing	I can have undone
you can have undone
he can have undone
we can have undone
you can have undone
they can have undone	I can have been undoing
you can have been undoing
he can have been undoing
we can have been undoing
you can have been undoing
they can have been undoing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I cannot undo
you cannot undo
he cannot undo
we cannot undo
you cannot undo
they cannot undo 	I cannot be undoing
you cannot be undoing
he cannot be undoing
we cannot be undoing
you cannot be undoing
they cannot be undoing	I cannot have undone
you cannot have undone
he cannot have undone
we cannot have undone
you cannot have undone
they cannot have undone	I cannot have been undoing
you cannot have been undoing
he cannot have been undoing
we cannot have been undoing
you cannot have been undoing
they cannot have been undoing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
can I undo?
can you undo?
can he undo?
can we undo?
can you undo?
can they undo? 	can I be undoing?
can you be undoing?
can he be undoing?
can we be undoing?
can you be undoing?
can they be undoing? 	can I have undone?
can you have undone?
can he have undone?
can we have undone?
can you have undone?
can they have undone? 	can I have been undoing?
can you have been undoing?
can he have been undoing?
can we have been undoing?
can you have been undoing?
can they have been undoing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
can I not undo?
can you not undo?
can he not undo?
can we not undo?
can you not undo?
can they not undo? 	can I not be undoing?
can you not be undoing?
can he not be undoing?
can we not be undoing?
can you not be undoing?
can they not be undoing? 	can I not have undone?
can you not have undone?
can he not have undone?
can we not have undone?
can you not have undone?
can they not have undone? 	can I not have been undoing?
can you not have been undoing?
can he not have been undoing?
can we not have been undoing?
can you not have been undoing?
can they not have been undoing?