Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can heavier you can heavier he can heavier we can heavier you can heavier they can heavier
V-ing form
I can be heaviering you can be heaviering he can be heaviering we can be heaviering you can be heaviering they can be heaviering
Perfect
I can have heaviered you can have heaviered he can have heaviered we can have heaviered you can have heaviered they can have heaviered
V-ing perfect
I can have been heaviering you can have been heaviering he can have been heaviering we can have been heaviering you can have been heaviering they can have been heaviering
Negation
Simple form
I cannot heavier you cannot heavier he cannot heavier we cannot heavier you cannot heavier they cannot heavier
V-ing form
I cannot be heaviering you cannot be heaviering he cannot be heaviering we cannot be heaviering you cannot be heaviering they cannot be heaviering
Perfect
I cannot have heaviered you cannot have heaviered he cannot have heaviered we cannot have heaviered you cannot have heaviered they cannot have heaviered
V-ing perfect
I cannot have been heaviering you cannot have been heaviering he cannot have been heaviering we cannot have been heaviering you cannot have been heaviering they cannot have been heaviering
Interrogative form
Simple form
can I heavier? can you heavier? can he heavier? can we heavier? can you heavier? can they heavier?
V-ing form
can I be heaviering? can you be heaviering? can he be heaviering? can we be heaviering? can you be heaviering? can they be heaviering?
Perfect
can I have heaviered? can you have heaviered? can he have heaviered? can we have heaviered? can you have heaviered? can they have heaviered?
V-ing perfect
can I have been heaviering? can you have been heaviering? can he have been heaviering? can we have been heaviering? can you have been heaviering? can they have been heaviering?
Interro-negative form
Simple form
can I not heavier? can you not heavier? can he not heavier? can we not heavier? can you not heavier? can they not heavier?
V-ing form
can I not be heaviering? can you not be heaviering? can he not be heaviering? can we not be heaviering? can you not be heaviering? can they not be heaviering?
Perfect
can I not have heaviered? can you not have heaviered? can he not have heaviered? can we not have heaviered? can you not have heaviered? can they not have heaviered?
V-ing perfect
can I not have been heaviering? can you not have been heaviering? can he not have been heaviering? can we not have been heaviering? can you not have been heaviering? can they not have been heaviering?