I can proliferate you can proliferate he can proliferate we can proliferate you can proliferate they can proliferate
V-ing form
I can be proliferating you can be proliferating he can be proliferating we can be proliferating you can be proliferating they can be proliferating
Perfect
I can have proliferated you can have proliferated he can have proliferated we can have proliferated you can have proliferated they can have proliferated
V-ing perfect
I can have been proliferating you can have been proliferating he can have been proliferating we can have been proliferating you can have been proliferating they can have been proliferating
Negation
Simple form
I cannot proliferate you cannot proliferate he cannot proliferate we cannot proliferate you cannot proliferate they cannot proliferate
V-ing form
I cannot be proliferating you cannot be proliferating he cannot be proliferating we cannot be proliferating you cannot be proliferating they cannot be proliferating
Perfect
I cannot have proliferated you cannot have proliferated he cannot have proliferated we cannot have proliferated you cannot have proliferated they cannot have proliferated
V-ing perfect
I cannot have been proliferating you cannot have been proliferating he cannot have been proliferating we cannot have been proliferating you cannot have been proliferating they cannot have been proliferating
Interrogative form
Simple form
can I proliferate? can you proliferate? can he proliferate? can we proliferate? can you proliferate? can they proliferate?
V-ing form
can I be proliferating? can you be proliferating? can he be proliferating? can we be proliferating? can you be proliferating? can they be proliferating?
Perfect
can I have proliferated? can you have proliferated? can he have proliferated? can we have proliferated? can you have proliferated? can they have proliferated?
V-ing perfect
can I have been proliferating? can you have been proliferating? can he have been proliferating? can we have been proliferating? can you have been proliferating? can they have been proliferating?
Interro-negative form
Simple form
can I not proliferate? can you not proliferate? can he not proliferate? can we not proliferate? can you not proliferate? can they not proliferate?
V-ing form
can I not be proliferating? can you not be proliferating? can he not be proliferating? can we not be proliferating? can you not be proliferating? can they not be proliferating?
Perfect
can I not have proliferated? can you not have proliferated? can he not have proliferated? can we not have proliferated? can you not have proliferated? can they not have proliferated?
V-ing perfect
can I not have been proliferating? can you not have been proliferating? can he not have been proliferating? can we not have been proliferating? can you not have been proliferating? can they not have been proliferating?