can sterilize
Regular verb: sterilize - sterilized- sterilized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can sterilize
you can sterilize
she can sterilize
we can sterilize
you can sterilize
they can sterilize 	I can be sterilizing
you can be sterilizing
she can be sterilizing
we can be sterilizing
you can be sterilizing
they can be sterilizing	I can have sterilized
you can have sterilized
she can have sterilized
we can have sterilized
you can have sterilized
they can have sterilized	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 	V-ing form 	Perfect 	V-ing perfect 	
I can't sterilize
you can't sterilize
she can't sterilize
we can't sterilize
you can't sterilize
they can't sterilize 	I can't be sterilizing
you can't be sterilizing
she can't be sterilizing
we can't be sterilizing
you can't be sterilizing
they can't be sterilizing	I can't have sterilized
you can't have sterilized
she can't have sterilized
we can't have sterilized
you can't have sterilized
they can't have sterilized	I can't have been sterilizing
you can't have been sterilizing
she 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 	V-ing form 	Perfect 	V-ing perfect 	
can I sterilize?
can you sterilize?
can she sterilize?
can we sterilize?
can you sterilize?
can they sterilize? 	can I be sterilizing?
can you be sterilizing?
can she be sterilizing?
can we be sterilizing?
can you be sterilizing?
can they be sterilizing? 	can I have sterilized?
can you have sterilized?
can she have sterilized?
can we have sterilized?
can you have sterilized?
can they have sterilized? 	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 	V-ing form 	Perfect 	V-ing perfect 	
can't I sterilize?
can't you sterilize?
can't she sterilize?
can't we sterilize?
can't you sterilize?
can't they sterilize? 	can't I be sterilizing?
can't you be sterilizing?
can't she be sterilizing?
can't we be sterilizing?
can't you be sterilizing?
can't they be sterilizing? 	can't I have sterilized?
can't you have sterilized?
can't she have sterilized?
can't we have sterilized?
can't you have sterilized?
can't they have sterilized? 	can't I have been sterilizing?
can't you have been sterilizing?
can't she have been sterilizing?
can't we have been sterilizing?
can't you have been sterilizing?
can't they have been sterilizing?