I can ascribe you can ascribe she can ascribe we can ascribe you can ascribe they can ascribe
V-ing form
I can be ascribing you can be ascribing she can be ascribing we can be ascribing you can be ascribing they can be ascribing
Perfect
I can have ascribed you can have ascribed she can have ascribed we can have ascribed you can have ascribed they can have ascribed
V-ing perfect
I can have been ascribing you can have been ascribing she can have been ascribing we can have been ascribing you can have been ascribing they can have been ascribing
Negation
Simple form
I cannot ascribe you cannot ascribe she cannot ascribe we cannot ascribe you cannot ascribe they cannot ascribe
V-ing form
I cannot be ascribing you cannot be ascribing she cannot be ascribing we cannot be ascribing you cannot be ascribing they cannot be ascribing
Perfect
I cannot have ascribed you cannot have ascribed she cannot have ascribed we cannot have ascribed you cannot have ascribed they cannot have ascribed
V-ing perfect
I cannot have been ascribing you cannot have been ascribing she cannot have been ascribing we cannot have been ascribing you cannot have been ascribing they cannot have been ascribing
Interrogative form
Simple form
can I ascribe? can you ascribe? can she ascribe? can we ascribe? can you ascribe? can they ascribe?
V-ing form
can I be ascribing? can you be ascribing? can she be ascribing? can we be ascribing? can you be ascribing? can they be ascribing?
Perfect
can I have ascribed? can you have ascribed? can she have ascribed? can we have ascribed? can you have ascribed? can they have ascribed?
V-ing perfect
can I have been ascribing? can you have been ascribing? can she have been ascribing? can we have been ascribing? can you have been ascribing? can they have been ascribing?
Interro-negative form
Simple form
can I not ascribe? can you not ascribe? can she not ascribe? can we not ascribe? can you not ascribe? can they not ascribe?
V-ing form
can I not be ascribing? can you not be ascribing? can she not be ascribing? can we not be ascribing? can you not be ascribing? can they not be ascribing?
Perfect
can I not have ascribed? can you not have ascribed? can she not have ascribed? can we not have ascribed? can you not have ascribed? can they not have ascribed?
V-ing perfect
can I not have been ascribing? can you not have been ascribing? can she not have been ascribing? can we not have been ascribing? can you not have been ascribing? can they not have been ascribing?