I can blacktop you can blacktop she can blacktop we can blacktop you can blacktop they can blacktop
V-ing form
I can be blacktoping you can be blacktoping she can be blacktoping we can be blacktoping you can be blacktoping they can be blacktoping
Perfect
I can have blacktoped you can have blacktoped she can have blacktoped we can have blacktoped you can have blacktoped they can have blacktoped
V-ing perfect
I can have been blacktoping you can have been blacktoping she can have been blacktoping we can have been blacktoping you can have been blacktoping they can have been blacktoping
Negation
Simple form
I can't blacktop you can't blacktop she can't blacktop we can't blacktop you can't blacktop they can't blacktop
V-ing form
I can't be blacktoping you can't be blacktoping she can't be blacktoping we can't be blacktoping you can't be blacktoping they can't be blacktoping
Perfect
I can't have blacktoped you can't have blacktoped she can't have blacktoped we can't have blacktoped you can't have blacktoped they can't have blacktoped
V-ing perfect
I can't have been blacktoping you can't have been blacktoping she can't have been blacktoping we can't have been blacktoping you can't have been blacktoping they can't have been blacktoping
Interrogative form
Simple form
can I blacktop? can you blacktop? can she blacktop? can we blacktop? can you blacktop? can they blacktop?
V-ing form
can I be blacktoping? can you be blacktoping? can she be blacktoping? can we be blacktoping? can you be blacktoping? can they be blacktoping?
Perfect
can I have blacktoped? can you have blacktoped? can she have blacktoped? can we have blacktoped? can you have blacktoped? can they have blacktoped?
V-ing perfect
can I have been blacktoping? can you have been blacktoping? can she have been blacktoping? can we have been blacktoping? can you have been blacktoping? can they have been blacktoping?
Interro-negative form
Simple form
can't I blacktop? can't you blacktop? can't she blacktop? can't we blacktop? can't you blacktop? can't they blacktop?
V-ing form
can't I be blacktoping? can't you be blacktoping? can't she be blacktoping? can't we be blacktoping? can't you be blacktoping? can't they be blacktoping?
Perfect
can't I have blacktoped? can't you have blacktoped? can't she have blacktoped? can't we have blacktoped? can't you have blacktoped? can't they have blacktoped?
V-ing perfect
can't I have been blacktoping? can't you have been blacktoping? can't she have been blacktoping? can't we have been blacktoping? can't you have been blacktoping? can't they have been blacktoping?