Regular verb: billboard - billboarded - billboarded
Affirmation
Simple form
I can billboard you can billboard he can billboard we can billboard you can billboard they can billboard
V-ing form
I can be billboarding you can be billboarding he can be billboarding we can be billboarding you can be billboarding they can be billboarding
Perfect
I can have billboarded you can have billboarded he 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 he 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 he cannot billboard we cannot billboard you cannot billboard they cannot billboard
V-ing form
I cannot be billboarding you cannot be billboarding he cannot be billboarding we cannot be billboarding you cannot be billboarding they cannot be billboarding
Perfect
I cannot have billboarded you cannot have billboarded he 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 he 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 he billboard? can we billboard? can you billboard? can they billboard?
V-ing form
can I be billboarding? can you be billboarding? can he be billboarding? can we be billboarding? can you be billboarding? can they be billboarding?
Perfect
can I have billboarded? can you have billboarded? can he 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 he 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 he 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 he 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 he 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 he not have been billboarding? can we not have been billboarding? can you not have been billboarding? can they not have been billboarding?