could tint
Verbo regular: tint - tinted- tinted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could tint
you could tint
he could tint
we could tint
you could tint
they could tint 	I could be tinting
you could be tinting
he could be tinting
we could be tinting
you could be tinting
they could be tinting	I could have tinted
you could have tinted
he could have tinted
we could have tinted
you could have tinted
they could have tinted	I could have been tinting
you could have been tinting
he could have been tinting
we could have been tinting
you could have been tinting
they could have been tinting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't tint
you couldn't tint
he couldn't tint
we couldn't tint
you couldn't tint
they couldn't tint 	I couldn't be tinting
you couldn't be tinting
he couldn't be tinting
we couldn't be tinting
you couldn't be tinting
they couldn't be tinting	I couldn't have tinted
you couldn't have tinted
he couldn't have tinted
we couldn't have tinted
you couldn't have tinted
they couldn't have tinted	I couldn't have been tinting
you couldn't have been tinting
he couldn't have been tinting
we couldn't have been tinting
you couldn't have been tinting
they couldn't have been tinting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I tint?
could you tint?
could he tint?
could we tint?
could you tint?
could they tint? 	could I be tinting?
could you be tinting?
could he be tinting?
could we be tinting?
could you be tinting?
could they be tinting? 	could I have tinted?
could you have tinted?
could he have tinted?
could we have tinted?
could you have tinted?
could they have tinted? 	could I have been tinting?
could you have been tinting?
could he have been tinting?
could we have been tinting?
could you have been tinting?
could they have been tinting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I tint?
couldn't you tint?
couldn't he tint?
couldn't we tint?
couldn't you tint?
couldn't they tint? 	couldn't I be tinting?
couldn't you be tinting?
couldn't he be tinting?
couldn't we be tinting?
couldn't you be tinting?
couldn't they be tinting? 	couldn't I have tinted?
couldn't you have tinted?
couldn't he have tinted?
couldn't we have tinted?
couldn't you have tinted?
couldn't they have tinted? 	couldn't I have been tinting?
couldn't you have been tinting?
couldn't he have been tinting?
couldn't we have been tinting?
couldn't you have been tinting?
couldn't they have been tinting?