I can molt you can molt he can molt we can molt you can molt they can molt
V-ing form
I can be molting you can be molting he can be molting we can be molting you can be molting they can be molting
Perfect
I can have molted you can have molted he can have molted we can have molted you can have molted they can have molted
V-ing perfect
I can have been molting you can have been molting he can have been molting we can have been molting you can have been molting they can have been molting
Negation
Simple form
I can't molt you can't molt he can't molt we can't molt you can't molt they can't molt
V-ing form
I can't be molting you can't be molting he can't be molting we can't be molting you can't be molting they can't be molting
Perfect
I can't have molted you can't have molted he can't have molted we can't have molted you can't have molted they can't have molted
V-ing perfect
I can't have been molting you can't have been molting he can't have been molting we can't have been molting you can't have been molting they can't have been molting
Interrogative form
Simple form
can I molt? can you molt? can he molt? can we molt? can you molt? can they molt?
V-ing form
can I be molting? can you be molting? can he be molting? can we be molting? can you be molting? can they be molting?
Perfect
can I have molted? can you have molted? can he have molted? can we have molted? can you have molted? can they have molted?
V-ing perfect
can I have been molting? can you have been molting? can he have been molting? can we have been molting? can you have been molting? can they have been molting?
Interro-negative form
Simple form
can't I molt? can't you molt? can't he molt? can't we molt? can't you molt? can't they molt?
V-ing form
can't I be molting? can't you be molting? can't he be molting? can't we be molting? can't you be molting? can't they be molting?
Perfect
can't I have molted? can't you have molted? can't he have molted? can't we have molted? can't you have molted? can't they have molted?
V-ing perfect
can't I have been molting? can't you have been molting? can't he have been molting? can't we have been molting? can't you have been molting? can't they have been molting?