may grain
Verbo regular: grain - grained- grained

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may grain
you may grain
he may grain
we may grain
you may grain
they may grain 	I may be graining
you may be graining
he may be graining
we may be graining
you may be graining
they may be graining	I may have grained
you may have grained
he may have grained
we may have grained
you may have grained
they may have grained	I may have been graining
you may have been graining
he may have been graining
we may have been graining
you may have been graining
they may have been graining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not grain
you may not grain
he may not grain
we may not grain
you may not grain
they may not grain 	I may not be graining
you may not be graining
he may not be graining
we may not be graining
you may not be graining
they may not be graining	I may not have grained
you may not have grained
he may not have grained
we may not have grained
you may not have grained
they may not have grained	I may not have been graining
you may not have been graining
he may not have been graining
we may not have been graining
you may not have been graining
they may not have been graining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I grain?
may you grain?
may he grain?
may we grain?
may you grain?
may they grain? 	may I be graining?
may you be graining?
may he be graining?
may we be graining?
may you be graining?
may they be graining? 	may I have grained?
may you have grained?
may he have grained?
may we have grained?
may you have grained?
may they have grained? 	may I have been graining?
may you have been graining?
may he have been graining?
may we have been graining?
may you have been graining?
may they have been graining? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not grain?
may you not grain?
may he not grain?
may we not grain?
may you not grain?
may they not grain? 	may I not be graining?
may you not be graining?
may he not be graining?
may we not be graining?
may you not be graining?
may they not be graining? 	may I not have grained?
may you not have grained?
may he not have grained?
may we not have grained?
may you not have grained?
may they not have grained? 	may I not have been graining?
may you not have been graining?
may he not have been graining?
may we not have been graining?
may you not have been graining?
may they not have been graining?