ought to overfertilize
Regular verb: overfertilize - overfertilized- overfertilized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to overfertilize
you ought to overfertilize
she ought to overfertilize
we ought to overfertilize
you ought to overfertilize
they ought to overfertilize 	I ought to be overfertilizing
you ought to be overfertilizing
she ought to be overfertilizing
we ought to be overfertilizing
you ought to be overfertilizing
they ought to be overfertilizing	I ought to have overfertilized
you ought to have overfertilized
she ought to have overfertilized
we ought to have overfertilized
you ought to have overfertilized
they ought to have overfertilized	I ought to have been overfertilizing
you ought to have been overfertilizing
she ought to have been overfertilizing
we ought to have been overfertilizing
you ought to have been overfertilizing
they ought to have been overfertilizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to overfertilize
you ought not to overfertilize
she ought not to overfertilize
we ought not to overfertilize
you ought not to overfertilize
they ought not to overfertilize 	I ought not to overfertilizing
you ought not to overfertilizing
she ought not to overfertilizing
we ought not to overfertilizing
you ought not to overfertilizing
they ought not to overfertilizing	I ought not to have overfertilized
you ought not to have overfertilized
she ought not to have overfertilized
we ought not to have overfertilized
you ought not to have overfertilized
they ought not to have overfertilized	I ought not to have been overfertilizing
you ought not to have been overfertilizing
she ought not to have been overfertilizing
we ought not to have been overfertilizing
you ought not to have been overfertilizing
they ought not to have been overfertilizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I overfertilize?
ought to you overfertilize?
ought to she overfertilize?
ought to we overfertilize?
ought to you overfertilize?
ought to they overfertilize? 	ought to I be overfertilizing?
ought to you be overfertilizing?
ought to she be overfertilizing?
ought to we be overfertilizing?
ought to you be overfertilizing?
ought to they be overfertilizing? 	ought to I have overfertilized?
ought to you have overfertilized?
ought to she have overfertilized?
ought to we have overfertilized?
ought to you have overfertilized?
ought to they have overfertilized? 	ought to I have been overfertilizing?
ought to you have been overfertilizing?
ought to she have been overfertilizing?
ought to we have been overfertilizing?
ought to you have been overfertilizing?
ought to they have been overfertilizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to overfertilize?
ought you not to overfertilize?
ought she not to overfertilize?
ought we not to overfertilize?
ought you not to overfertilize?
ought they not to overfertilize? 	ought I not to be overfertilizing?
ought you not to be overfertilizing?
ought she not to be overfertilizing?
ought we not to be overfertilizing?
ought you not to be overfertilizing?
ought they not to be overfertilizing? 	ought I not to have overfertilized?
ought you not to have overfertilized?
ought she not to have overfertilized?
ought we not to have overfertilized?
ought you not to have overfertilized?
ought they not to have overfertilized? 	ought I not to have been overfertilizing?
ought you not to have been overfertilizing?
ought she not to have been overfertilizing?
ought we not to have been overfertilizing?
ought you not to have been overfertilizing?
ought they not to have been overfertilizing?