Regular verb: billboard - billboarded - billboarded
Affirmation
Simple form
I can billboard you can billboard she can billboard we can billboard you can billboard they can billboard
V-ing form
I can be billboarding you can be billboarding she can be billboarding we can be billboarding you can be billboarding they can be billboarding
Perfect
I can have billboarded you can have billboarded she can have billboarded we can have billboarded you can have billboarded they can have billboarded
V-ing perfect
I can have been billboarding you can have been billboarding she can have been billboarding we can have been billboarding you can have been billboarding they can have been billboarding
Negation
Simple form
I cannot billboard you cannot billboard she cannot billboard we cannot billboard you cannot billboard they cannot billboard
V-ing form
I cannot be billboarding you cannot be billboarding she cannot be billboarding we cannot be billboarding you cannot be billboarding they cannot be billboarding
Perfect
I cannot have billboarded you cannot have billboarded she cannot have billboarded we cannot have billboarded you cannot have billboarded they cannot have billboarded
V-ing perfect
I cannot have been billboarding you cannot have been billboarding she cannot have been billboarding we cannot have been billboarding you cannot have been billboarding they cannot have been billboarding
Interrogative form
Simple form
can I billboard? can you billboard? can she billboard? can we billboard? can you billboard? can they billboard?
V-ing form
can I be billboarding? can you be billboarding? can she be billboarding? can we be billboarding? can you be billboarding? can they be billboarding?
Perfect
can I have billboarded? can you have billboarded? can she have billboarded? can we have billboarded? can you have billboarded? can they have billboarded?
V-ing perfect
can I have been billboarding? can you have been billboarding? can she have been billboarding? can we have been billboarding? can you have been billboarding? can they have been billboarding?
Interro-negative form
Simple form
can I not billboard? can you not billboard? can she not billboard? can we not billboard? can you not billboard? can they not billboard?
V-ing form
can I not be billboarding? can you not be billboarding? can she not be billboarding? can we not be billboarding? can you not be billboarding? can they not be billboarding?
Perfect
can I not have billboarded? can you not have billboarded? can she not have billboarded? can we not have billboarded? can you not have billboarded? can they not have billboarded?
V-ing perfect
can I not have been billboarding? can you not have been billboarding? can she not have been billboarding? can we not have been billboarding? can you not have been billboarding? can they not have been billboarding?