I can rebuild you can rebuild she can rebuild we can rebuild you can rebuild they can rebuild
V-ing form
I can be rebuilding you can be rebuilding she can be rebuilding we can be rebuilding you can be rebuilding they can be rebuilding
Perfect
I can have rebuilt you can have rebuilt she can have rebuilt we can have rebuilt you can have rebuilt they can have rebuilt
V-ing perfect
I can have been rebuilding you can have been rebuilding she can have been rebuilding we can have been rebuilding you can have been rebuilding they can have been rebuilding
Negation
Simple form
I can't rebuild you can't rebuild she can't rebuild we can't rebuild you can't rebuild they can't rebuild
V-ing form
I can't be rebuilding you can't be rebuilding she can't be rebuilding we can't be rebuilding you can't be rebuilding they can't be rebuilding
Perfect
I can't have rebuilt you can't have rebuilt she can't have rebuilt we can't have rebuilt you can't have rebuilt they can't have rebuilt
V-ing perfect
I can't have been rebuilding you can't have been rebuilding she can't have been rebuilding we can't have been rebuilding you can't have been rebuilding they can't have been rebuilding
Interrogative form
Simple form
can I rebuild? can you rebuild? can she rebuild? can we rebuild? can you rebuild? can they rebuild?
V-ing form
can I be rebuilding? can you be rebuilding? can she be rebuilding? can we be rebuilding? can you be rebuilding? can they be rebuilding?
Perfect
can I have rebuilt? can you have rebuilt? can she have rebuilt? can we have rebuilt? can you have rebuilt? can they have rebuilt?
V-ing perfect
can I have been rebuilding? can you have been rebuilding? can she have been rebuilding? can we have been rebuilding? can you have been rebuilding? can they have been rebuilding?
Interro-negative form
Simple form
can't I rebuild? can't you rebuild? can't she rebuild? can't we rebuild? can't you rebuild? can't they rebuild?
V-ing form
can't I be rebuilding? can't you be rebuilding? can't she be rebuilding? can't we be rebuilding? can't you be rebuilding? can't they be rebuilding?
Perfect
can't I have rebuilt? can't you have rebuilt? can't she have rebuilt? can't we have rebuilt? can't you have rebuilt? can't they have rebuilt?
V-ing perfect
can't I have been rebuilding? can't you have been rebuilding? can't she have been rebuilding? can't we have been rebuilding? can't you have been rebuilding? can't they have been rebuilding?