English verb conjugation
COULD BLACKTOP

Regular verb: blacktop - blacktoped - blacktoped

Affirmation

Simple form	V-ing form
I could blacktop you could blacktop he could blacktop we could blacktop you could blacktop they could blacktop	I could be blacktoping you could be blacktoping he could be blacktoping we could be blacktoping you could be blacktoping they could be blacktoping
Perfect	V-ing perfect
I could have blacktoped you could have blacktoped he could have blacktoped we could have blacktoped you could have blacktoped they could have blacktoped	I could have been blacktoping you could have been blacktoping he could have been blacktoping we could have been blacktoping you could have been blacktoping they could have been blacktoping

Negation

Simple form	V-ing form
I couldn't blacktop you couldn't blacktop he couldn't blacktop we couldn't blacktop you couldn't blacktop they couldn't blacktop	I couldn't be blacktoping you couldn't be blacktoping he couldn't be blacktoping we couldn't be blacktoping you couldn't be blacktoping they couldn't be blacktoping
Perfect	V-ing perfect
I couldn't have blacktoped you couldn't have blacktoped he couldn't have blacktoped we couldn't have blacktoped you couldn't have blacktoped they couldn't have blacktoped	I couldn't have been blacktoping you couldn't have been blacktoping he couldn't have been blacktoping we couldn't have been blacktoping you couldn't have been blacktoping they couldn't have been blacktoping

Interrogative form

Simple form	V-ing form
could I blacktop? could you blacktop? could he blacktop? could we blacktop? could you blacktop? could they blacktop?	could I be blacktoping? could you be blacktoping? could he be blacktoping? could we be blacktoping? could you be blacktoping? could they be blacktoping?
Perfect	V-ing perfect
could I have blacktoped? could you have blacktoped? could he have blacktoped? could we have blacktoped? could you have blacktoped? could they have blacktoped?	could I have been blacktoping? could you have been blacktoping? could he have been blacktoping? could we have been blacktoping? could you have been blacktoping? could they have been blacktoping?

Interro-negative form

Simple form	V-ing form
couldn't I blacktop? couldn't you blacktop? couldn't he blacktop? couldn't we blacktop? couldn't you blacktop? couldn't they blacktop?	couldn't I be blacktoping? couldn't you be blacktoping? couldn't he be blacktoping? couldn't we be blacktoping? couldn't you be blacktoping? couldn't they be blacktoping?
Perfect	V-ing perfect
couldn't I have blacktoped? couldn't you have blacktoped? couldn't he have blacktoped? couldn't we have blacktoped? couldn't you have blacktoped? couldn't they have blacktoped?	couldn't I have been blacktoping? couldn't you have been blacktoping? couldn't he have been blacktoping? couldn't we have been blacktoping? couldn't you have been blacktoping? couldn't they have been blacktoping?