ought to ensure
Regular verb: ensure - ensured- ensured

Affirmation 	
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I ought to ensure
you ought to ensure
he 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
he 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
he 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
he 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 oughtn't to ensure
you oughtn't to ensure
he oughtn't to ensure
we oughtn't to ensure
you oughtn't to ensure
they oughtn't to ensure 	I oughtn't to be ensuring
you oughtn't to be ensuring
he oughtn't to be ensuring
we oughtn't to be ensuring
you oughtn't to be ensuring
they oughtn't to be ensuring	I oughtn't to have ensured
you oughtn't to have ensured
he oughtn't to have ensured
we oughtn't to have ensured
you oughtn't to have ensured
they oughtn't to have ensured	I oughtn't to have been ensuring
you oughtn't to have been ensuring
he oughtn't to have been ensuring
we oughtn't to have been ensuring
you oughtn't to have been ensuring
they oughtn't to have been ensuring	

Interrogative form 	
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ought to I ensure?
ought to you ensure?
ought to he 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 he 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 he 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 he 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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oughtn't I to ensure?
oughtn't you to ensure?
oughtn't he to ensure?
oughtn't we to ensure?
oughtn't you to ensure?
oughtn't they to ensure? 	oughtn't I to be ensuring?
oughtn't you to be ensuring?
oughtn't he to be ensuring?
oughtn't we to be ensuring?
oughtn't you to be ensuring?
oughtn't they to be ensuring? 	oughtn't I to have ensured?
oughtn't you to have ensured?
oughtn't he to have ensured?
oughtn't we to have ensured?
oughtn't you to have ensured?
oughtn't they to have ensured? 	oughtn't I to have been ensuring?
oughtn't you to have been ensuring?
oughtn't he to have been ensuring?
oughtn't we to have been ensuring?
oughtn't you to have been ensuring?
oughtn't they to have been ensuring?