ought to sterilize
Verbo regular: sterilize - sterilized- sterilized

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to sterilize
you ought to sterilize
he ought to sterilize
we ought to sterilize
you ought to sterilize
they ought to sterilize 	I ought to be sterilizing
you ought to be sterilizing
he ought to be sterilizing
we ought to be sterilizing
you ought to be sterilizing
they ought to be sterilizing	I ought to have sterilized
you ought to have sterilized
he ought to have sterilized
we ought to have sterilized
you ought to have sterilized
they ought to have sterilized	I ought to have been sterilizing
you ought to have been sterilizing
he ought to have been sterilizing
we ought to have been sterilizing
you ought to have been sterilizing
they ought to have been sterilizing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought not to sterilize
you ought not to sterilize
he ought not to sterilize
we ought not to sterilize
you ought not to sterilize
they ought not to sterilize 	I ought not to sterilizing
you ought not to sterilizing
he ought not to sterilizing
we ought not to sterilizing
you ought not to sterilizing
they ought not to sterilizing	I ought not to have sterilized
you ought not to have sterilized
he ought not to have sterilized
we ought not to have sterilized
you ought not to have sterilized
they ought not to have sterilized	I ought not to have been sterilizing
you ought not to have been sterilizing
he ought not to have been sterilizing
we ought not to have been sterilizing
you ought not to have been sterilizing
they ought not to have been sterilizing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I sterilize?
ought to you sterilize?
ought to he sterilize?
ought to we sterilize?
ought to you sterilize?
ought to they sterilize? 	ought to I be sterilizing?
ought to you be sterilizing?
ought to he be sterilizing?
ought to we be sterilizing?
ought to you be sterilizing?
ought to they be sterilizing? 	ought to I have sterilized?
ought to you have sterilized?
ought to he have sterilized?
ought to we have sterilized?
ought to you have sterilized?
ought to they have sterilized? 	ought to I have been sterilizing?
ought to you have been sterilizing?
ought to he have been sterilizing?
ought to we have been sterilizing?
ought to you have been sterilizing?
ought to they have been sterilizing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought I not to sterilize?
ought you not to sterilize?
ought he not to sterilize?
ought we not to sterilize?
ought you not to sterilize?
ought they not to sterilize? 	ought I not to be sterilizing?
ought you not to be sterilizing?
ought he not to be sterilizing?
ought we not to be sterilizing?
ought you not to be sterilizing?
ought they not to be sterilizing? 	ought I not to have sterilized?
ought you not to have sterilized?
ought he not to have sterilized?
ought we not to have sterilized?
ought you not to have sterilized?
ought they not to have sterilized? 	ought I not to have been sterilizing?
ought you not to have been sterilizing?
ought he not to have been sterilizing?
ought we not to have been sterilizing?
ought you not to have been sterilizing?
ought they not to have been sterilizing?