could blot
Regular verb: blot - blotted- blotted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could blot
you could blot
he could blot
we could blot
you could blot
they could blot 	I could be blotting
you could be blotting
he could be blotting
we could be blotting
you could be blotting
they could be blotting	I could have blotted
you could have blotted
he could have blotted
we could have blotted
you could have blotted
they could have blotted	I could have been blotting
you could have been blotting
he could have been blotting
we could have been blotting
you could have been blotting
they could have been blotting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not blot
you could not blot
he could not blot
we could not blot
you could not blot
they could not blot 	I could not be blotting
you could not be blotting
he could not be blotting
we could not be blotting
you could not be blotting
they could not be blotting	I could not have blotted
you could not have blotted
he could not have blotted
we could not have blotted
you could not have blotted
they could not have blotted	I could not have been blotting
you could not have been blotting
he could not have been blotting
we could not have been blotting
you could not have been blotting
they could not have been blotting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I blot?
could you blot?
could he blot?
could we blot?
could you blot?
could they blot? 	could I be blotting?
could you be blotting?
could he be blotting?
could we be blotting?
could you be blotting?
could they be blotting? 	could I have blotted?
could you have blotted?
could he have blotted?
could we have blotted?
could you have blotted?
could they have blotted? 	could I have been blotting?
could you have been blotting?
could he have been blotting?
could we have been blotting?
could you have been blotting?
could they have been blotting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not blot?
could you not blot?
could he not blot?
could we not blot?
could you not blot?
could they not blot? 	could I not be blotting?
could you not be blotting?
could he not be blotting?
could we not be blotting?
could you not be blotting?
could they not be blotting? 	could I not have blotted?
could you not have blotted?
could he not have blotted?
could we not have blotted?
could you not have blotted?
could they not have blotted? 	could I not have been blotting?
could you not have been blotting?
could he not have been blotting?
could we not have been blotting?
could you not have been blotting?
could they not have been blotting?