I can molder you can molder he can molder we can molder you can molder they can molder
V-ing form
I can be moldering you can be moldering he can be moldering we can be moldering you can be moldering they can be moldering
Perfect
I can have moldered you can have moldered he can have moldered we can have moldered you can have moldered they can have moldered
V-ing perfect
I can have been moldering you can have been moldering he can have been moldering we can have been moldering you can have been moldering they can have been moldering
Negation
Simple form
I cannot molder you cannot molder he cannot molder we cannot molder you cannot molder they cannot molder
V-ing form
I cannot be moldering you cannot be moldering he cannot be moldering we cannot be moldering you cannot be moldering they cannot be moldering
Perfect
I cannot have moldered you cannot have moldered he cannot have moldered we cannot have moldered you cannot have moldered they cannot have moldered
V-ing perfect
I cannot have been moldering you cannot have been moldering he cannot have been moldering we cannot have been moldering you cannot have been moldering they cannot have been moldering
Interrogative form
Simple form
can I molder? can you molder? can he molder? can we molder? can you molder? can they molder?
V-ing form
can I be moldering? can you be moldering? can he be moldering? can we be moldering? can you be moldering? can they be moldering?
Perfect
can I have moldered? can you have moldered? can he have moldered? can we have moldered? can you have moldered? can they have moldered?
V-ing perfect
can I have been moldering? can you have been moldering? can he have been moldering? can we have been moldering? can you have been moldering? can they have been moldering?
Interro-negative form
Simple form
can I not molder? can you not molder? can he not molder? can we not molder? can you not molder? can they not molder?
V-ing form
can I not be moldering? can you not be moldering? can he not be moldering? can we not be moldering? can you not be moldering? can they not be moldering?
Perfect
can I not have moldered? can you not have moldered? can he not have moldered? can we not have moldered? can you not have moldered? can they not have moldered?
V-ing perfect
can I not have been moldering? can you not have been moldering? can he not have been moldering? can we not have been moldering? can you not have been moldering? can they not have been moldering?