ought to ensure
Regular verb: ensure - ensured- ensured

Affirmation 	
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I ought to ensure
you ought to ensure
she ought to ensure
we ought to ensure
you ought to ensure
they ought to ensure 	I ought to be ensuring
you ought to be ensuring
she ought to be ensuring
we ought to be ensuring
you ought to be ensuring
they ought to be ensuring	I ought to have ensured
you ought to have ensured
she ought to have ensured
we ought to have ensured
you ought to have ensured
they ought to have ensured	I ought to have been ensuring
you ought to have been ensuring
she ought to have been ensuring
we ought to have been ensuring
you ought to have been ensuring
they ought to have been ensuring	

Negation 	
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I ought not to ensure
you ought not to ensure
she ought not to ensure
we ought not to ensure
you ought not to ensure
they ought not to ensure 	I ought not to ensuring
you ought not to ensuring
she ought not to ensuring
we ought not to ensuring
you ought not to ensuring
they ought not to ensuring	I ought not to have ensured
you ought not to have ensured
she ought not to have ensured
we ought not to have ensured
you ought not to have ensured
they ought not to have ensured	I ought not to have been ensuring
you ought not to have been ensuring
she ought not to have been ensuring
we ought not to have been ensuring
you ought not to have been ensuring
they ought not to have been ensuring	

Interrogative form 	
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ought to I ensure?
ought to you ensure?
ought to she ensure?
ought to we ensure?
ought to you ensure?
ought to they ensure? 	ought to I be ensuring?
ought to you be ensuring?
ought to she be ensuring?
ought to we be ensuring?
ought to you be ensuring?
ought to they be ensuring? 	ought to I have ensured?
ought to you have ensured?
ought to she have ensured?
ought to we have ensured?
ought to you have ensured?
ought to they have ensured? 	ought to I have been ensuring?
ought to you have been ensuring?
ought to she have been ensuring?
ought to we have been ensuring?
ought to you have been ensuring?
ought to they have been ensuring? 	

Interro-negative form 	
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ought I not to ensure?
ought you not to ensure?
ought she not to ensure?
ought we not to ensure?
ought you not to ensure?
ought they not to ensure? 	ought I not to be ensuring?
ought you not to be ensuring?
ought she not to be ensuring?
ought we not to be ensuring?
ought you not to be ensuring?
ought they not to be ensuring? 	ought I not to have ensured?
ought you not to have ensured?
ought she not to have ensured?
ought we not to have ensured?
ought you not to have ensured?
ought they not to have ensured? 	ought I not to have been ensuring?
ought you not to have been ensuring?
ought she not to have been ensuring?
ought we not to have been ensuring?
ought you not to have been ensuring?
ought they not to have been ensuring?