I can molt you can molt she can molt we can molt you can molt they can molt
V-ing form
I can be molting you can be molting she can be molting we can be molting you can be molting they can be molting
Perfect
I can have molted you can have molted she 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 she can have been molting we can have been molting you can have been molting they can have been molting
Negation
Simple form
I cannot molt you cannot molt she cannot molt we cannot molt you cannot molt they cannot molt
V-ing form
I cannot be molting you cannot be molting she cannot be molting we cannot be molting you cannot be molting they cannot be molting
Perfect
I cannot have molted you cannot have molted she cannot have molted we cannot have molted you cannot have molted they cannot have molted
V-ing perfect
I cannot have been molting you cannot have been molting she cannot have been molting we cannot have been molting you cannot have been molting they cannot have been molting
Interrogative form
Simple form
can I molt? can you molt? can she molt? can we molt? can you molt? can they molt?
V-ing form
can I be molting? can you be molting? can she be molting? can we be molting? can you be molting? can they be molting?
Perfect
can I have molted? can you have molted? can she 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 she have been molting? can we have been molting? can you have been molting? can they have been molting?
Interro-negative form
Simple form
can I not molt? can you not molt? can she not molt? can we not molt? can you not molt? can they not molt?
V-ing form
can I not be molting? can you not be molting? can she not be molting? can we not be molting? can you not be molting? can they not be molting?
Perfect
can I not have molted? can you not have molted? can she not have molted? can we not have molted? can you not have molted? can they not have molted?
V-ing perfect
can I not have been molting? can you not have been molting? can she not have been molting? can we not have been molting? can you not have been molting? can they not have been molting?