English verb conjugation
CAN DUB

Regular verb: dub - dubbed - dubbed

Affirmation

Simple form	V-ing form
I can dub you can dub he can dub we can dub you can dub they can dub	I can be dubbing you can be dubbing he can be dubbing we can be dubbing you can be dubbing they can be dubbing
Perfect	V-ing perfect
I can have dubbed you can have dubbed he can have dubbed we can have dubbed you can have dubbed they can have dubbed	I can have been dubbing you can have been dubbing he can have been dubbing we can have been dubbing you can have been dubbing they can have been dubbing

Negation

Simple form	V-ing form
I cannot dub you cannot dub he cannot dub we cannot dub you cannot dub they cannot dub	I cannot be dubbing you cannot be dubbing he cannot be dubbing we cannot be dubbing you cannot be dubbing they cannot be dubbing
Perfect	V-ing perfect
I cannot have dubbed you cannot have dubbed he cannot have dubbed we cannot have dubbed you cannot have dubbed they cannot have dubbed	I cannot have been dubbing you cannot have been dubbing he cannot have been dubbing we cannot have been dubbing you cannot have been dubbing they cannot have been dubbing

Interrogative form

Simple form	V-ing form
can I dub? can you dub? can he dub? can we dub? can you dub? can they dub?	can I be dubbing? can you be dubbing? can he be dubbing? can we be dubbing? can you be dubbing? can they be dubbing?
Perfect	V-ing perfect
can I have dubbed? can you have dubbed? can he have dubbed? can we have dubbed? can you have dubbed? can they have dubbed?	can I have been dubbing? can you have been dubbing? can he have been dubbing? can we have been dubbing? can you have been dubbing? can they have been dubbing?

Interro-negative form

Simple form	V-ing form
can I not dub? can you not dub? can he not dub? can we not dub? can you not dub? can they not dub?	can I not be dubbing? can you not be dubbing? can he not be dubbing? can we not be dubbing? can you not be dubbing? can they not be dubbing?
Perfect	V-ing perfect
can I not have dubbed? can you not have dubbed? can he not have dubbed? can we not have dubbed? can you not have dubbed? can they not have dubbed?	can I not have been dubbing? can you not have been dubbing? can he not have been dubbing? can we not have been dubbing? can you not have been dubbing? can they not have been dubbing?