could clot
Verbo regular: clot - clotted- clotted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could clot
you could clot
he could clot
we could clot
you could clot
they could clot 	I could be clotting
you could be clotting
he could be clotting
we could be clotting
you could be clotting
they could be clotting	I could have clotted
you could have clotted
he could have clotted
we could have clotted
you could have clotted
they could have clotted	I could have been clotting
you could have been clotting
he could have been clotting
we could have been clotting
you could have been clotting
they could have been clotting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not clot
you could not clot
he could not clot
we could not clot
you could not clot
they could not clot 	I could not be clotting
you could not be clotting
he could not be clotting
we could not be clotting
you could not be clotting
they could not be clotting	I could not have clotted
you could not have clotted
he could not have clotted
we could not have clotted
you could not have clotted
they could not have clotted	I could not have been clotting
you could not have been clotting
he could not have been clotting
we could not have been clotting
you could not have been clotting
they could not have been clotting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I clot?
could you clot?
could he clot?
could we clot?
could you clot?
could they clot? 	could I be clotting?
could you be clotting?
could he be clotting?
could we be clotting?
could you be clotting?
could they be clotting? 	could I have clotted?
could you have clotted?
could he have clotted?
could we have clotted?
could you have clotted?
could they have clotted? 	could I have been clotting?
could you have been clotting?
could he have been clotting?
could we have been clotting?
could you have been clotting?
could they have been clotting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not clot?
could you not clot?
could he not clot?
could we not clot?
could you not clot?
could they not clot? 	could I not be clotting?
could you not be clotting?
could he not be clotting?
could we not be clotting?
could you not be clotting?
could they not be clotting? 	could I not have clotted?
could you not have clotted?
could he not have clotted?
could we not have clotted?
could you not have clotted?
could they not have clotted? 	could I not have been clotting?
could you not have been clotting?
could he not have been clotting?
could we not have been clotting?
could you not have been clotting?
could they not have been clotting?