ought to conserve
Regular verb: conserve - conserved- conserved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to conserve
you ought to conserve
he ought to conserve
we ought to conserve
you ought to conserve
they ought to conserve 	I ought to be conserving
you ought to be conserving
he ought to be conserving
we ought to be conserving
you ought to be conserving
they ought to be conserving	I ought to have conserved
you ought to have conserved
he ought to have conserved
we ought to have conserved
you ought to have conserved
they ought to have conserved	I ought to have been conserving
you ought to have been conserving
he ought to have been conserving
we ought to have been conserving
you ought to have been conserving
they ought to have been conserving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to conserve
you ought not to conserve
he ought not to conserve
we ought not to conserve
you ought not to conserve
they ought not to conserve 	I ought not to conserving
you ought not to conserving
he ought not to conserving
we ought not to conserving
you ought not to conserving
they ought not to conserving	I ought not to have conserved
you ought not to have conserved
he ought not to have conserved
we ought not to have conserved
you ought not to have conserved
they ought not to have conserved	I ought not to have been conserving
you ought not to have been conserving
he ought not to have been conserving
we ought not to have been conserving
you ought not to have been conserving
they ought not to have been conserving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I conserve?
ought to you conserve?
ought to he conserve?
ought to we conserve?
ought to you conserve?
ought to they conserve? 	ought to I be conserving?
ought to you be conserving?
ought to he be conserving?
ought to we be conserving?
ought to you be conserving?
ought to they be conserving? 	ought to I have conserved?
ought to you have conserved?
ought to he have conserved?
ought to we have conserved?
ought to you have conserved?
ought to they have conserved? 	ought to I have been conserving?
ought to you have been conserving?
ought to he have been conserving?
ought to we have been conserving?
ought to you have been conserving?
ought to they have been conserving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to conserve?
ought you not to conserve?
ought he not to conserve?
ought we not to conserve?
ought you not to conserve?
ought they not to conserve? 	ought I not to be conserving?
ought you not to be conserving?
ought he not to be conserving?
ought we not to be conserving?
ought you not to be conserving?
ought they not to be conserving? 	ought I not to have conserved?
ought you not to have conserved?
ought he not to have conserved?
ought we not to have conserved?
ought you not to have conserved?
ought they not to have conserved? 	ought I not to have been conserving?
ought you not to have been conserving?
ought he not to have been conserving?
ought we not to have been conserving?
ought you not to have been conserving?
ought they not to have been conserving?