I can sterilize you can sterilize she can sterilize we can sterilize you can sterilize they can sterilize
V-ing form
I can be sterilizing you can be sterilizing she can be sterilizing we can be sterilizing you can be sterilizing they can be sterilizing
Perfect
I can have sterilized you can have sterilized she can have sterilized we can have sterilized you can have sterilized they can have sterilized
V-ing perfect
I can have been sterilizing you can have been sterilizing she can have been sterilizing we can have been sterilizing you can have been sterilizing they can have been sterilizing
Negation
Simple form
I cannot sterilize you cannot sterilize she cannot sterilize we cannot sterilize you cannot sterilize they cannot sterilize
V-ing form
I cannot be sterilizing you cannot be sterilizing she cannot be sterilizing we cannot be sterilizing you cannot be sterilizing they cannot be sterilizing
Perfect
I cannot have sterilized you cannot have sterilized she cannot have sterilized we cannot have sterilized you cannot have sterilized they cannot have sterilized
V-ing perfect
I cannot have been sterilizing you cannot have been sterilizing she cannot have been sterilizing we cannot have been sterilizing you cannot have been sterilizing they cannot have been sterilizing
Interrogative form
Simple form
can I sterilize? can you sterilize? can she sterilize? can we sterilize? can you sterilize? can they sterilize?
V-ing form
can I be sterilizing? can you be sterilizing? can she be sterilizing? can we be sterilizing? can you be sterilizing? can they be sterilizing?
Perfect
can I have sterilized? can you have sterilized? can she have sterilized? can we have sterilized? can you have sterilized? can they have sterilized?
V-ing perfect
can I have been sterilizing? can you have been sterilizing? can she have been sterilizing? can we have been sterilizing? can you have been sterilizing? can they have been sterilizing?
Interro-negative form
Simple form
can I not sterilize? can you not sterilize? can she not sterilize? can we not sterilize? can you not sterilize? can they not sterilize?
V-ing form
can I not be sterilizing? can you not be sterilizing? can she not be sterilizing? can we not be sterilizing? can you not be sterilizing? can they not be sterilizing?
Perfect
can I not have sterilized? can you not have sterilized? can she not have sterilized? can we not have sterilized? can you not have sterilized? can they not have sterilized?
V-ing perfect
can I not have been sterilizing? can you not have been sterilizing? can she not have been sterilizing? can we not have been sterilizing? can you not have been sterilizing? can they not have been sterilizing?