I can polymerize you can polymerize he can polymerize we can polymerize you can polymerize they can polymerize
V-ing form
I can be polymerizing you can be polymerizing he can be polymerizing we can be polymerizing you can be polymerizing they can be polymerizing
Perfect
I can have polymerized you can have polymerized he can have polymerized we can have polymerized you can have polymerized they can have polymerized
V-ing perfect
I can have been polymerizing you can have been polymerizing he can have been polymerizing we can have been polymerizing you can have been polymerizing they can have been polymerizing
Negation
Simple form
I cannot polymerize you cannot polymerize he cannot polymerize we cannot polymerize you cannot polymerize they cannot polymerize
V-ing form
I cannot be polymerizing you cannot be polymerizing he cannot be polymerizing we cannot be polymerizing you cannot be polymerizing they cannot be polymerizing
Perfect
I cannot have polymerized you cannot have polymerized he cannot have polymerized we cannot have polymerized you cannot have polymerized they cannot have polymerized
V-ing perfect
I cannot have been polymerizing you cannot have been polymerizing he cannot have been polymerizing we cannot have been polymerizing you cannot have been polymerizing they cannot have been polymerizing
Interrogative form
Simple form
can I polymerize? can you polymerize? can he polymerize? can we polymerize? can you polymerize? can they polymerize?
V-ing form
can I be polymerizing? can you be polymerizing? can he be polymerizing? can we be polymerizing? can you be polymerizing? can they be polymerizing?
Perfect
can I have polymerized? can you have polymerized? can he have polymerized? can we have polymerized? can you have polymerized? can they have polymerized?
V-ing perfect
can I have been polymerizing? can you have been polymerizing? can he have been polymerizing? can we have been polymerizing? can you have been polymerizing? can they have been polymerizing?
Interro-negative form
Simple form
can I not polymerize? can you not polymerize? can he not polymerize? can we not polymerize? can you not polymerize? can they not polymerize?
V-ing form
can I not be polymerizing? can you not be polymerizing? can he not be polymerizing? can we not be polymerizing? can you not be polymerizing? can they not be polymerizing?
Perfect
can I not have polymerized? can you not have polymerized? can he not have polymerized? can we not have polymerized? can you not have polymerized? can they not have polymerized?
V-ing perfect
can I not have been polymerizing? can you not have been polymerizing? can he not have been polymerizing? can we not have been polymerizing? can you not have been polymerizing? can they not have been polymerizing?