can gray
Verbo regular: gray - grayed- grayed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can gray
you can gray
he can gray
we can gray
you can gray
they can gray 	I can be graying
you can be graying
he can be graying
we can be graying
you can be graying
they can be graying	I can have grayed
you can have grayed
he can have grayed
we can have grayed
you can have grayed
they can have grayed	I can have been graying
you can have been graying
he can have been graying
we can have been graying
you can have been graying
they can have been graying	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't gray
you can't gray
he can't gray
we can't gray
you can't gray
they can't gray 	I can't be graying
you can't be graying
he can't be graying
we can't be graying
you can't be graying
they can't be graying	I can't have grayed
you can't have grayed
he can't have grayed
we can't have grayed
you can't have grayed
they can't have grayed	I can't have been graying
you can't have been graying
he can't have been graying
we can't have been graying
you can't have been graying
they can't have been graying	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I gray?
can you gray?
can he gray?
can we gray?
can you gray?
can they gray? 	can I be graying?
can you be graying?
can he be graying?
can we be graying?
can you be graying?
can they be graying? 	can I have grayed?
can you have grayed?
can he have grayed?
can we have grayed?
can you have grayed?
can they have grayed? 	can I have been graying?
can you have been graying?
can he have been graying?
can we have been graying?
can you have been graying?
can they have been graying? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I gray?
can't you gray?
can't he gray?
can't we gray?
can't you gray?
can't they gray? 	can't I be graying?
can't you be graying?
can't he be graying?
can't we be graying?
can't you be graying?
can't they be graying? 	can't I have grayed?
can't you have grayed?
can't he have grayed?
can't we have grayed?
can't you have grayed?
can't they have grayed? 	can't I have been graying?
can't you have been graying?
can't he have been graying?
can't we have been graying?
can't you have been graying?
can't they have been graying?