I can green-light you can green-light he can green-light we can green-light you can green-light they can green-light
V-ing form
I can be green-lighting you can be green-lighting he can be green-lighting we can be green-lighting you can be green-lighting they can be green-lighting
Perfect
I can have green-lighted you can have green-lighted he can have green-lighted we can have green-lighted you can have green-lighted they can have green-lighted
V-ing perfect
I can have been green-lighting you can have been green-lighting he can have been green-lighting we can have been green-lighting you can have been green-lighting they can have been green-lighting
Negation
Simple form
I can't green-light you can't green-light he can't green-light we can't green-light you can't green-light they can't green-light
V-ing form
I can't be green-lighting you can't be green-lighting he can't be green-lighting we can't be green-lighting you can't be green-lighting they can't be green-lighting
Perfect
I can't have green-lighted you can't have green-lighted he can't have green-lighted we can't have green-lighted you can't have green-lighted they can't have green-lighted
V-ing perfect
I can't have been green-lighting you can't have been green-lighting he can't have been green-lighting we can't have been green-lighting you can't have been green-lighting they can't have been green-lighting
Interrogative form
Simple form
can I green-light? can you green-light? can he green-light? can we green-light? can you green-light? can they green-light?
V-ing form
can I be green-lighting? can you be green-lighting? can he be green-lighting? can we be green-lighting? can you be green-lighting? can they be green-lighting?
Perfect
can I have green-lighted? can you have green-lighted? can he have green-lighted? can we have green-lighted? can you have green-lighted? can they have green-lighted?
V-ing perfect
can I have been green-lighting? can you have been green-lighting? can he have been green-lighting? can we have been green-lighting? can you have been green-lighting? can they have been green-lighting?
Interro-negative form
Simple form
can't I green-light? can't you green-light? can't he green-light? can't we green-light? can't you green-light? can't they green-light?
V-ing form
can't I be green-lighting? can't you be green-lighting? can't he be green-lighting? can't we be green-lighting? can't you be green-lighting? can't they be green-lighting?
Perfect
can't I have green-lighted? can't you have green-lighted? can't he have green-lighted? can't we have green-lighted? can't you have green-lighted? can't they have green-lighted?
V-ing perfect
can't I have been green-lighting? can't you have been green-lighting? can't he have been green-lighting? can't we have been green-lighting? can't you have been green-lighting? can't they have been green-lighting?