English verb conjugation
CAN REBUILD

Irregular verb: rebuild - rebuilt - rebuilt

Affirmation

Simple form	V-ing form
I can rebuild you can rebuild he can rebuild we can rebuild you can rebuild they can rebuild	I can be rebuilding you can be rebuilding he can be rebuilding we can be rebuilding you can be rebuilding they can be rebuilding
Perfect	V-ing perfect
I can have rebuilt you can have rebuilt he can have rebuilt we can have rebuilt you can have rebuilt they can have rebuilt	I can have been rebuilding you can have been rebuilding he can have been rebuilding we can have been rebuilding you can have been rebuilding they can have been rebuilding

Negation

Simple form	V-ing form
I cannot rebuild you cannot rebuild he cannot rebuild we cannot rebuild you cannot rebuild they cannot rebuild	I cannot be rebuilding you cannot be rebuilding he cannot be rebuilding we cannot be rebuilding you cannot be rebuilding they cannot be rebuilding
Perfect	V-ing perfect
I cannot have rebuilt you cannot have rebuilt he cannot have rebuilt we cannot have rebuilt you cannot have rebuilt they cannot have rebuilt	I cannot have been rebuilding you cannot have been rebuilding he cannot have been rebuilding we cannot have been rebuilding you cannot have been rebuilding they cannot have been rebuilding

Interrogative form

Simple form	V-ing form
can I rebuild? can you rebuild? can he rebuild? can we rebuild? can you rebuild? can they rebuild?	can I be rebuilding? can you be rebuilding? can he be rebuilding? can we be rebuilding? can you be rebuilding? can they be rebuilding?
Perfect	V-ing perfect
can I have rebuilt? can you have rebuilt? can he have rebuilt? can we have rebuilt? can you have rebuilt? can they have rebuilt?	can I have been rebuilding? can you have been rebuilding? can he have been rebuilding? can we have been rebuilding? can you have been rebuilding? can they have been rebuilding?

Interro-negative form

Simple form	V-ing form
can I not rebuild? can you not rebuild? can he not rebuild? can we not rebuild? can you not rebuild? can they not rebuild?	can I not be rebuilding? can you not be rebuilding? can he not be rebuilding? can we not be rebuilding? can you not be rebuilding? can they not be rebuilding?
Perfect	V-ing perfect
can I not have rebuilt? can you not have rebuilt? can he not have rebuilt? can we not have rebuilt? can you not have rebuilt? can they not have rebuilt?	can I not have been rebuilding? can you not have been rebuilding? can he not have been rebuilding? can we not have been rebuilding? can you not have been rebuilding? can they not have been rebuilding?