may prewarn
Verbe régulier : prewarn - prewarned- prewarned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may prewarn
you may prewarn
she may prewarn
we may prewarn
you may prewarn
they may prewarn 	I may be prewarning
you may be prewarning
she may be prewarning
we may be prewarning
you may be prewarning
they may be prewarning	I may have prewarned
you may have prewarned
she may have prewarned
we may have prewarned
you may have prewarned
they may have prewarned	I may have been prewarning
you may have been prewarning
she may have been prewarning
we may have been prewarning
you may have been prewarning
they may have been prewarning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may not prewarn
you may not prewarn
she may not prewarn
we may not prewarn
you may not prewarn
they may not prewarn 	I may not be prewarning
you may not be prewarning
she may not be prewarning
we may not be prewarning
you may not be prewarning
they may not be prewarning	I may not have prewarned
you may not have prewarned
she may not have prewarned
we may not have prewarned
you may not have prewarned
they may not have prewarned	I may not have been prewarning
you may not have been prewarning
she may not have been prewarning
we may not have been prewarning
you may not have been prewarning
they may not have been prewarning	

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

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I not prewarn?
may you not prewarn?
may she not prewarn?
may we not prewarn?
may you not prewarn?
may they not prewarn? 	may I not be prewarning?
may you not be prewarning?
may she not be prewarning?
may we not be prewarning?
may you not be prewarning?
may they not be prewarning? 	may I not have prewarned?
may you not have prewarned?
may she not have prewarned?
may we not have prewarned?
may you not have prewarned?
may they not have prewarned? 	may I not have been prewarning?
may you not have been prewarning?
may she not have been prewarning?
may we not have been prewarning?
may you not have been prewarning?
may they not have been prewarning?