ought to sterilise
Verbo regular: sterilise - sterilised- sterilised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to sterilise
you ought to sterilise
he ought to sterilise
we ought to sterilise
you ought to sterilise
they ought to sterilise 	I ought to be sterilising
you ought to be sterilising
he ought to be sterilising
we ought to be sterilising
you ought to be sterilising
they ought to be sterilising	I ought to have sterilised
you ought to have sterilised
he ought to have sterilised
we ought to have sterilised
you ought to have sterilised
they ought to have sterilised	I ought to have been sterilising
you ought to have been sterilising
he ought to have been sterilising
we ought to have been sterilising
you ought to have been sterilising
they ought to have been sterilising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to sterilise
you ought not to sterilise
he ought not to sterilise
we ought not to sterilise
you ought not to sterilise
they ought not to sterilise 	I ought not to sterilising
you ought not to sterilising
he ought not to sterilising
we ought not to sterilising
you ought not to sterilising
they ought not to sterilising	I ought not to have sterilised
you ought not to have sterilised
he ought not to have sterilised
we ought not to have sterilised
you ought not to have sterilised
they ought not to have sterilised	I ought not to have been sterilising
you ought not to have been sterilising
he ought not to have been sterilising
we ought not to have been sterilising
you ought not to have been sterilising
they ought not to have been sterilising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I sterilise?
ought to you sterilise?
ought to he sterilise?
ought to we sterilise?
ought to you sterilise?
ought to they sterilise? 	ought to I be sterilising?
ought to you be sterilising?
ought to he be sterilising?
ought to we be sterilising?
ought to you be sterilising?
ought to they be sterilising? 	ought to I have sterilised?
ought to you have sterilised?
ought to he have sterilised?
ought to we have sterilised?
ought to you have sterilised?
ought to they have sterilised? 	ought to I have been sterilising?
ought to you have been sterilising?
ought to he have been sterilising?
ought to we have been sterilising?
ought to you have been sterilising?
ought to they have been sterilising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to sterilise?
ought you not to sterilise?
ought he not to sterilise?
ought we not to sterilise?
ought you not to sterilise?
ought they not to sterilise? 	ought I not to be sterilising?
ought you not to be sterilising?
ought he not to be sterilising?
ought we not to be sterilising?
ought you not to be sterilising?
ought they not to be sterilising? 	ought I not to have sterilised?
ought you not to have sterilised?
ought he not to have sterilised?
ought we not to have sterilised?
ought you not to have sterilised?
ought they not to have sterilised? 	ought I not to have been sterilising?
ought you not to have been sterilising?
ought he not to have been sterilising?
ought we not to have been sterilising?
ought you not to have been sterilising?
ought they not to have been sterilising?