should seise
Verbe régulier : seise - seised- seised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'd seise
you'd seise
she'd seise
we'd seise
you'd seise
they'd seise 	I'd be seising
you'd be seising
she'd be seising
we'd be seising
you'd be seising
they'd be seising	I should've seised
you should've seised
she should've seised
we should've seised
you should've seised
they should've seised	I should've been seising
you should've been seising
she should've been seising
we should've been seising
you should've been seising
they should've been seising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shouldn't seise
you shouldn't seise
she shouldn't seise
we shouldn't seise
you shouldn't seise
they shouldn't seise 	I shouldn't be seising
you shouldn't be seising
she shouldn't be seising
we shouldn't be seising
you shouldn't be seising
they shouldn't be seising	I shouldn't have seised
you shouldn't have seised
she shouldn't have seised
we shouldn't have seised
you shouldn't have seised
they shouldn't have seised	I shouldn't have been seising
you shouldn't have been seising
she shouldn't have been seising
we shouldn't have been seising
you shouldn't have been seising
they shouldn't have been seising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I seise?
should you seise?
should she seise?
should we seise?
should you seise?
should they seise? 	should I be seising?
should you be seising?
should she be seising?
should we be seising?
should you be seising?
should they be seising? 	should I have seised?
should you have seised?
should she have seised?
should we have seised?
should you have seised?
should they have seised? 	should I have been seising?
should you have been seising?
should she have been seising?
should we have been seising?
should you have been seising?
should they have been seising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shouldn't I seise?
shouldn't you seise?
shouldn't she seise?
shouldn't we seise?
shouldn't you seise?
shouldn't they seise? 	shouldn't I be seising?
shouldn't you be seising?
shouldn't she be seising?
shouldn't we be seising?
shouldn't you be seising?
shouldn't they be seising? 	shouldn't I have seised?
shouldn't you have seised?
shouldn't she have seised?
shouldn't we have seised?
shouldn't you have seised?
shouldn't they have seised? 	shouldn't I have been seising?
shouldn't you have been seising?
shouldn't she have been seising?
shouldn't we have been seising?
shouldn't you have been seising?
shouldn't they have been seising?