can ensure
Regular verb: ensure - ensured- ensured

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

Negation 	
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I cannot ensure
you cannot ensure
she cannot ensure
we cannot ensure
you cannot ensure
they cannot ensure 	I cannot be ensuring
you cannot be ensuring
she cannot be ensuring
we cannot be ensuring
you cannot be ensuring
they cannot be ensuring	I cannot have ensured
you cannot have ensured
she cannot have ensured
we cannot have ensured
you cannot have ensured
they cannot have ensured	I cannot have been ensuring
you cannot have been ensuring
she cannot have been ensuring
we cannot have been ensuring
you cannot have been ensuring
they cannot have been ensuring	

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

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