could tuft
Verbo regular: tuft - tufted- tufted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could tuft
you could tuft
he could tuft
we could tuft
you could tuft
they could tuft 	I could be tufting
you could be tufting
he could be tufting
we could be tufting
you could be tufting
they could be tufting	I could have tufted
you could have tufted
he could have tufted
we could have tufted
you could have tufted
they could have tufted	I could have been tufting
you could have been tufting
he could have been tufting
we could have been tufting
you could have been tufting
they could have been tufting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not tuft
you could not tuft
he could not tuft
we could not tuft
you could not tuft
they could not tuft 	I could not be tufting
you could not be tufting
he could not be tufting
we could not be tufting
you could not be tufting
they could not be tufting	I could not have tufted
you could not have tufted
he could not have tufted
we could not have tufted
you could not have tufted
they could not have tufted	I could not have been tufting
you could not have been tufting
he could not have been tufting
we could not have been tufting
you could not have been tufting
they could not have been tufting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I tuft?
could you tuft?
could he tuft?
could we tuft?
could you tuft?
could they tuft? 	could I be tufting?
could you be tufting?
could he be tufting?
could we be tufting?
could you be tufting?
could they be tufting? 	could I have tufted?
could you have tufted?
could he have tufted?
could we have tufted?
could you have tufted?
could they have tufted? 	could I have been tufting?
could you have been tufting?
could he have been tufting?
could we have been tufting?
could you have been tufting?
could they have been tufting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not tuft?
could you not tuft?
could he not tuft?
could we not tuft?
could you not tuft?
could they not tuft? 	could I not be tufting?
could you not be tufting?
could he not be tufting?
could we not be tufting?
could you not be tufting?
could they not be tufting? 	could I not have tufted?
could you not have tufted?
could he not have tufted?
could we not have tufted?
could you not have tufted?
could they not have tufted? 	could I not have been tufting?
could you not have been tufting?
could he not have been tufting?
could we not have been tufting?
could you not have been tufting?
could they not have been tufting?