ought to fertilise
Regular verb: fertilise - fertilised- fertilised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to fertilise
you ought to fertilise
he ought to fertilise
we ought to fertilise
you ought to fertilise
they ought to fertilise 	I ought to be fertilising
you ought to be fertilising
he ought to be fertilising
we ought to be fertilising
you ought to be fertilising
they ought to be fertilising	I ought to have fertilised
you ought to have fertilised
he ought to have fertilised
we ought to have fertilised
you ought to have fertilised
they ought to have fertilised	I ought to have been fertilising
you ought to have been fertilising
he ought to have been fertilising
we ought to have been fertilising
you ought to have been fertilising
they ought to have been fertilising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to fertilise
you ought not to fertilise
he ought not to fertilise
we ought not to fertilise
you ought not to fertilise
they ought not to fertilise 	I ought not to fertilising
you ought not to fertilising
he ought not to fertilising
we ought not to fertilising
you ought not to fertilising
they ought not to fertilising	I ought not to have fertilised
you ought not to have fertilised
he ought not to have fertilised
we ought not to have fertilised
you ought not to have fertilised
they ought not to have fertilised	I ought not to have been fertilising
you ought not to have been fertilising
he ought not to have been fertilising
we ought not to have been fertilising
you ought not to have been fertilising
they ought not to have been fertilising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I fertilise?
ought to you fertilise?
ought to he fertilise?
ought to we fertilise?
ought to you fertilise?
ought to they fertilise? 	ought to I be fertilising?
ought to you be fertilising?
ought to he be fertilising?
ought to we be fertilising?
ought to you be fertilising?
ought to they be fertilising? 	ought to I have fertilised?
ought to you have fertilised?
ought to he have fertilised?
ought to we have fertilised?
ought to you have fertilised?
ought to they have fertilised? 	ought to I have been fertilising?
ought to you have been fertilising?
ought to he have been fertilising?
ought to we have been fertilising?
ought to you have been fertilising?
ought to they have been fertilising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to fertilise?
ought you not to fertilise?
ought he not to fertilise?
ought we not to fertilise?
ought you not to fertilise?
ought they not to fertilise? 	ought I not to be fertilising?
ought you not to be fertilising?
ought he not to be fertilising?
ought we not to be fertilising?
ought you not to be fertilising?
ought they not to be fertilising? 	ought I not to have fertilised?
ought you not to have fertilised?
ought he not to have fertilised?
ought we not to have fertilised?
ought you not to have fertilised?
ought they not to have fertilised? 	ought I not to have been fertilising?
ought you not to have been fertilising?
ought he not to have been fertilising?
ought we not to have been fertilising?
ought you not to have been fertilising?
ought they not to have been fertilising?