I can presterilize you can presterilize he can presterilize we can presterilize you can presterilize they can presterilize
V-ing form
I can be presterilizing you can be presterilizing he can be presterilizing we can be presterilizing you can be presterilizing they can be presterilizing
Perfect
I can have presterilized you can have presterilized he can have presterilized we can have presterilized you can have presterilized they can have presterilized
V-ing perfect
I can have been presterilizing you can have been presterilizing he can have been presterilizing we can have been presterilizing you can have been presterilizing they can have been presterilizing
Negation
Simple form
I cannot presterilize you cannot presterilize he cannot presterilize we cannot presterilize you cannot presterilize they cannot presterilize
V-ing form
I cannot be presterilizing you cannot be presterilizing he cannot be presterilizing we cannot be presterilizing you cannot be presterilizing they cannot be presterilizing
Perfect
I cannot have presterilized you cannot have presterilized he cannot have presterilized we cannot have presterilized you cannot have presterilized they cannot have presterilized
V-ing perfect
I cannot have been presterilizing you cannot have been presterilizing he cannot have been presterilizing we cannot have been presterilizing you cannot have been presterilizing they cannot have been presterilizing
Interrogative form
Simple form
can I presterilize? can you presterilize? can he presterilize? can we presterilize? can you presterilize? can they presterilize?
V-ing form
can I be presterilizing? can you be presterilizing? can he be presterilizing? can we be presterilizing? can you be presterilizing? can they be presterilizing?
Perfect
can I have presterilized? can you have presterilized? can he have presterilized? can we have presterilized? can you have presterilized? can they have presterilized?
V-ing perfect
can I have been presterilizing? can you have been presterilizing? can he have been presterilizing? can we have been presterilizing? can you have been presterilizing? can they have been presterilizing?
Interro-negative form
Simple form
can I not presterilize? can you not presterilize? can he not presterilize? can we not presterilize? can you not presterilize? can they not presterilize?
V-ing form
can I not be presterilizing? can you not be presterilizing? can he not be presterilizing? can we not be presterilizing? can you not be presterilizing? can they not be presterilizing?
Perfect
can I not have presterilized? can you not have presterilized? can he not have presterilized? can we not have presterilized? can you not have presterilized? can they not have presterilized?
V-ing perfect
can I not have been presterilizing? can you not have been presterilizing? can he not have been presterilizing? can we not have been presterilizing? can you not have been presterilizing? can they not have been presterilizing?