I can sterilize you can sterilize he can sterilize we can sterilize you can sterilize they can sterilize
V-ing form
I can be sterilizing you can be sterilizing he can be sterilizing we can be sterilizing you can be sterilizing they can be sterilizing
Perfect
I can have sterilized you can have sterilized he 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 he can have been sterilizing we can have been sterilizing you can have been sterilizing they can have been sterilizing
Negation
Simple form
I can't sterilize you can't sterilize he can't sterilize we can't sterilize you can't sterilize they can't sterilize
V-ing form
I can't be sterilizing you can't be sterilizing he can't be sterilizing we can't be sterilizing you can't be sterilizing they can't be sterilizing
Perfect
I can't have sterilized you can't have sterilized he can't have sterilized we can't have sterilized you can't have sterilized they can't have sterilized
V-ing perfect
I can't have been sterilizing you can't have been sterilizing he can't have been sterilizing we can't have been sterilizing you can't have been sterilizing they can't have been sterilizing
Interrogative form
Simple form
can I sterilize? can you sterilize? can he sterilize? can we sterilize? can you sterilize? can they sterilize?
V-ing form
can I be sterilizing? can you be sterilizing? can he be sterilizing? can we be sterilizing? can you be sterilizing? can they be sterilizing?
Perfect
can I have sterilized? can you have sterilized? can he 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 he have been sterilizing? can we have been sterilizing? can you have been sterilizing? can they have been sterilizing?
Interro-negative form
Simple form
can't I sterilize? can't you sterilize? can't he sterilize? can't we sterilize? can't you sterilize? can't they sterilize?
V-ing form
can't I be sterilizing? can't you be sterilizing? can't he be sterilizing? can't we be sterilizing? can't you be sterilizing? can't they be sterilizing?
Perfect
can't I have sterilized? can't you have sterilized? can't he have sterilized? can't we have sterilized? can't you have sterilized? can't they have sterilized?
V-ing perfect
can't I have been sterilizing? can't you have been sterilizing? can't he have been sterilizing? can't we have been sterilizing? can't you have been sterilizing? can't they have been sterilizing?