can undo
Verbe irrégulier : undo - undid- undone
Traduction française : défaire - annuler 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can undo
you can undo
she can undo
we can undo
you can undo
they can undo 	I can be undoing
you can be undoing
she can be undoing
we can be undoing
you can be undoing
they can be undoing	I can have undone
you can have undone
she 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
she can have been undoing
we can have been undoing
you can have been undoing
they can have been undoing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't undo
you can't undo
she can't undo
we can't undo
you can't undo
they can't undo 	I can't be undoing
you can't be undoing
she can't be undoing
we can't be undoing
you can't be undoing
they can't be undoing	I can't have undone
you can't have undone
she can't have undone
we can't have undone
you can't have undone
they can't have undone	I can't have been undoing
you can't have been undoing
she can't have been undoing
we can't have been undoing
you can't have been undoing
they can't have been undoing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I undo?
can you undo?
can she undo?
can we undo?
can you undo?
can they undo? 	can I be undoing?
can you be undoing?
can she be undoing?
can we be undoing?
can you be undoing?
can they be undoing? 	can I have undone?
can you have undone?
can she 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 she have been undoing?
can we have been undoing?
can you have been undoing?
can they have been undoing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I undo?
can't you undo?
can't she undo?
can't we undo?
can't you undo?
can't they undo? 	can't I be undoing?
can't you be undoing?
can't she be undoing?
can't we be undoing?
can't you be undoing?
can't they be undoing? 	can't I have undone?
can't you have undone?
can't she have undone?
can't we have undone?
can't you have undone?
can't they have undone? 	can't I have been undoing?
can't you have been undoing?
can't she have been undoing?
can't we have been undoing?
can't you have been undoing?
can't they have been undoing?