can grain
Verbo regular: grain - grained- grained

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

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot grain
you cannot grain
she cannot grain
we cannot grain
you cannot grain
they cannot grain 	I cannot be graining
you cannot be graining
she cannot be graining
we cannot be graining
you cannot be graining
they cannot be graining	I cannot have grained
you cannot have grained
she cannot have grained
we cannot have grained
you cannot have grained
they cannot have grained	I cannot have been graining
you cannot have been graining
she cannot have been graining
we cannot have been graining
you cannot have been graining
they cannot have been graining	

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

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