can grain
Verbe régulier : grain - grained- grained
Traduction française : cristalliser - se cristalliser 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can grain
you can grain
he can grain
we can grain
you can grain
they can grain 	I can be graining
you can be graining
he can be graining
we can be graining
you can be graining
they can be graining	I can have grained
you can have grained
he 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
he can have been graining
we can have been graining
you can have been graining
they can have been graining	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot grain
you cannot grain
he cannot grain
we cannot grain
you cannot grain
they cannot grain 	I cannot be graining
you cannot be graining
he cannot be graining
we cannot be graining
you cannot be graining
they cannot be graining	I cannot have grained
you cannot have grained
he 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
he cannot have been graining
we cannot have been graining
you cannot have been graining
they cannot have been graining	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I grain?
can you grain?
can he grain?
can we grain?
can you grain?
can they grain? 	can I be graining?
can you be graining?
can he be graining?
can we be graining?
can you be graining?
can they be graining? 	can I have grained?
can you have grained?
can he 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 he have been graining?
can we have been graining?
can you have been graining?
can they have been graining? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not grain?
can you not grain?
can he 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 he 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 he 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 he not have been graining?
can we not have been graining?
can you not have been graining?
can they not have been graining?