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 can't heavier you can't heavier he can't heavier we can't heavier you can't heavier they can't heavier
V-ing form
I can't be heaviering you can't be heaviering he can't be heaviering we can't be heaviering you can't be heaviering they can't be heaviering
Perfect
I can't have heaviered you can't have heaviered he can't have heaviered we can't have heaviered you can't have heaviered they can't have heaviered
V-ing perfect
I can't have been heaviering you can't have been heaviering he can't have been heaviering we can't have been heaviering you can't have been heaviering they can't 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't I heavier? can't you heavier? can't he heavier? can't we heavier? can't you heavier? can't they heavier?
V-ing form
can't I be heaviering? can't you be heaviering? can't he be heaviering? can't we be heaviering? can't you be heaviering? can't they be heaviering?
Perfect
can't I have heaviered? can't you have heaviered? can't he have heaviered? can't we have heaviered? can't you have heaviered? can't they have heaviered?
V-ing perfect
can't I have been heaviering? can't you have been heaviering? can't he have been heaviering? can't we have been heaviering? can't you have been heaviering? can't they have been heaviering?