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

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'd undo
you'd undo
he'd undo
we'd undo
you'd undo
they'd undo 	I'd be undoing
you'd be undoing
he'd be undoing
we'd be undoing
you'd be undoing
they'd be undoing	I should've undone
you should've undone
he should've undone
we should've undone
you should've undone
they should've undone	I should've been undoing
you should've been undoing
he should've been undoing
we should've been undoing
you should've been undoing
they should've been undoing	

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

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

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