should untack
Verbe régulier : untack - untacked- untacked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'd untack
you'd untack
he'd untack
we'd untack
you'd untack
they'd untack 	I'd be untacking
you'd be untacking
he'd be untacking
we'd be untacking
you'd be untacking
they'd be untacking	I should've untacked
you should've untacked
he should've untacked
we should've untacked
you should've untacked
they should've untacked	I should've been untacking
you should've been untacking
he should've been untacking
we should've been untacking
you should've been untacking
they should've been untacking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shouldn't untack
you shouldn't untack
he shouldn't untack
we shouldn't untack
you shouldn't untack
they shouldn't untack 	I shouldn't be untacking
you shouldn't be untacking
he shouldn't be untacking
we shouldn't be untacking
you shouldn't be untacking
they shouldn't be untacking	I shouldn't have untacked
you shouldn't have untacked
he shouldn't have untacked
we shouldn't have untacked
you shouldn't have untacked
they shouldn't have untacked	I shouldn't have been untacking
you shouldn't have been untacking
he shouldn't have been untacking
we shouldn't have been untacking
you shouldn't have been untacking
they shouldn't have been untacking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I untack?
should you untack?
should he untack?
should we untack?
should you untack?
should they untack? 	should I be untacking?
should you be untacking?
should he be untacking?
should we be untacking?
should you be untacking?
should they be untacking? 	should I have untacked?
should you have untacked?
should he have untacked?
should we have untacked?
should you have untacked?
should they have untacked? 	should I have been untacking?
should you have been untacking?
should he have been untacking?
should we have been untacking?
should you have been untacking?
should they have been untacking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shouldn't I untack?
shouldn't you untack?
shouldn't he untack?
shouldn't we untack?
shouldn't you untack?
shouldn't they untack? 	shouldn't I be untacking?
shouldn't you be untacking?
shouldn't he be untacking?
shouldn't we be untacking?
shouldn't you be untacking?
shouldn't they be untacking? 	shouldn't I have untacked?
shouldn't you have untacked?
shouldn't he have untacked?
shouldn't we have untacked?
shouldn't you have untacked?
shouldn't they have untacked? 	shouldn't I have been untacking?
shouldn't you have been untacking?
shouldn't he have been untacking?
shouldn't we have been untacking?
shouldn't you have been untacking?
shouldn't they have been untacking?