may dull
Verbo regular: dull - dulled- dulled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may dull
you may dull
he may dull
we may dull
you may dull
they may dull 	I may be dulling
you may be dulling
he may be dulling
we may be dulling
you may be dulling
they may be dulling	I may have dulled
you may have dulled
he may have dulled
we may have dulled
you may have dulled
they may have dulled	I may have been dulling
you may have been dulling
he may have been dulling
we may have been dulling
you may have been dulling
they may have been dulling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not dull
you may not dull
he may not dull
we may not dull
you may not dull
they may not dull 	I may not be dulling
you may not be dulling
he may not be dulling
we may not be dulling
you may not be dulling
they may not be dulling	I may not have dulled
you may not have dulled
he may not have dulled
we may not have dulled
you may not have dulled
they may not have dulled	I may not have been dulling
you may not have been dulling
he may not have been dulling
we may not have been dulling
you may not have been dulling
they may not have been dulling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I dull?
may you dull?
may he dull?
may we dull?
may you dull?
may they dull? 	may I be dulling?
may you be dulling?
may he be dulling?
may we be dulling?
may you be dulling?
may they be dulling? 	may I have dulled?
may you have dulled?
may he have dulled?
may we have dulled?
may you have dulled?
may they have dulled? 	may I have been dulling?
may you have been dulling?
may he have been dulling?
may we have been dulling?
may you have been dulling?
may they have been dulling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not dull?
may you not dull?
may he not dull?
may we not dull?
may you not dull?
may they not dull? 	may I not be dulling?
may you not be dulling?
may he not be dulling?
may we not be dulling?
may you not be dulling?
may they not be dulling? 	may I not have dulled?
may you not have dulled?
may he not have dulled?
may we not have dulled?
may you not have dulled?
may they not have dulled? 	may I not have been dulling?
may you not have been dulling?
may he not have been dulling?
may we not have been dulling?
may you not have been dulling?
may they not have been dulling?