may prewarn
Verbo regular: prewarn - prewarned- prewarned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may prewarn
you may prewarn
he may prewarn
we may prewarn
you may prewarn
they may prewarn 	I may be prewarning
you may be prewarning
he may be prewarning
we may be prewarning
you may be prewarning
they may be prewarning	I may have prewarned
you may have prewarned
he 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
he may have been prewarning
we may have been prewarning
you may have been prewarning
they may have been prewarning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not prewarn
you may not prewarn
he 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
he 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
he 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
he may not have been prewarning
we may not have been prewarning
you may not have been prewarning
they may not have been prewarning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I prewarn?
may you prewarn?
may he prewarn?
may we prewarn?
may you prewarn?
may they prewarn? 	may I be prewarning?
may you be prewarning?
may he be prewarning?
may we be prewarning?
may you be prewarning?
may they be prewarning? 	may I have prewarned?
may you have prewarned?
may he 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 he have been prewarning?
may we have been prewarning?
may you have been prewarning?
may they have been prewarning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not prewarn?
may you not prewarn?
may he 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 he 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 he 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 he not have been prewarning?
may we not have been prewarning?
may you not have been prewarning?
may they not have been prewarning?