should prewarn
Verbe régulier : prewarn - prewarned- prewarned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'd prewarn
you'd prewarn
he'd prewarn
we'd prewarn
you'd prewarn
they'd prewarn 	I'd be prewarning
you'd be prewarning
he'd be prewarning
we'd be prewarning
you'd be prewarning
they'd be prewarning	I should've prewarned
you should've prewarned
he should've prewarned
we should've prewarned
you should've prewarned
they should've prewarned	I should've been prewarning
you should've been prewarning
he should've been prewarning
we should've been prewarning
you should've been prewarning
they should've been prewarning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shouldn't prewarn
you shouldn't prewarn
he shouldn't prewarn
we shouldn't prewarn
you shouldn't prewarn
they shouldn't prewarn 	I shouldn't be prewarning
you shouldn't be prewarning
he shouldn't be prewarning
we shouldn't be prewarning
you shouldn't be prewarning
they shouldn't be prewarning	I shouldn't have prewarned
you shouldn't have prewarned
he shouldn't have prewarned
we shouldn't have prewarned
you shouldn't have prewarned
they shouldn't have prewarned	I shouldn't have been prewarning
you shouldn't have been prewarning
he shouldn't have been prewarning
we shouldn't have been prewarning
you shouldn't have been prewarning
they shouldn't have been prewarning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I prewarn?
should you prewarn?
should he prewarn?
should we prewarn?
should you prewarn?
should they prewarn? 	should I be prewarning?
should you be prewarning?
should he be prewarning?
should we be prewarning?
should you be prewarning?
should they be prewarning? 	should I have prewarned?
should you have prewarned?
should he have prewarned?
should we have prewarned?
should you have prewarned?
should they have prewarned? 	should I have been prewarning?
should you have been prewarning?
should he have been prewarning?
should we have been prewarning?
should you have been prewarning?
should they have been prewarning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shouldn't I prewarn?
shouldn't you prewarn?
shouldn't he prewarn?
shouldn't we prewarn?
shouldn't you prewarn?
shouldn't they prewarn? 	shouldn't I be prewarning?
shouldn't you be prewarning?
shouldn't he be prewarning?
shouldn't we be prewarning?
shouldn't you be prewarning?
shouldn't they be prewarning? 	shouldn't I have prewarned?
shouldn't you have prewarned?
shouldn't he have prewarned?
shouldn't we have prewarned?
shouldn't you have prewarned?
shouldn't they have prewarned? 	shouldn't I have been prewarning?
shouldn't you have been prewarning?
shouldn't he have been prewarning?
shouldn't we have been prewarning?
shouldn't you have been prewarning?
shouldn't they have been prewarning?