English verb conjugation
MUST ENSURE

Regular verb: ensure - ensured - ensured

Affirmation

Simple form	V-ing form
I must ensure you must ensure he must ensure we must ensure you must ensure they must ensure	I must be ensuring you must be ensuring he must be ensuring we must be ensuring you must be ensuring they must be ensuring
Perfect	V-ing perfect
I must have ensured you must have ensured he must have ensured we must have ensured you must have ensured they must have ensured	I must have been ensuring you must have been ensuring he must have been ensuring we must have been ensuring you must have been ensuring they must have been ensuring

Negation

Simple form	V-ing form
I must not ensure you must not ensure he must not ensure we must not ensure you must not ensure they must not ensure	I must not be ensuring you must not be ensuring he must not be ensuring we must not be ensuring you must not be ensuring they must not be ensuring
Perfect	V-ing perfect
I must not have ensured you must not have ensured he must not have ensured we must not have ensured you must not have ensured they must not have ensured	I must not have been ensuring you must not have been ensuring he must not have been ensuring we must not have been ensuring you must not have been ensuring they must not have been ensuring

Interrogative form

Simple form	V-ing form
must I ensure? must you ensure? must he ensure? must we ensure? must you ensure? must they ensure?	must I be ensuring? must you be ensuring? must he be ensuring? must we be ensuring? must you be ensuring? must they be ensuring?
Perfect	V-ing perfect
must I have ensured? must you have ensured? must he have ensured? must we have ensured? must you have ensured? must they have ensured?	must I have been ensuring? must you have been ensuring? must he have been ensuring? must we have been ensuring? must you have been ensuring? must they have been ensuring?

Interro-negative form

Simple form	V-ing form
must I not ensure? must you not ensure? must he not ensure? must we not ensure? must you not ensure? must they not ensure?	must I not be ensuring? must you not be ensuring? must he not be ensuring? must we not be ensuring? must you not be ensuring? must they not be ensuring?
Perfect	V-ing perfect
must I not have ensured? must you not have ensured? must he not have ensured? must we not have ensured? must you not have ensured? must they not have ensured?	must I not have been ensuring? must you not have been ensuring? must he not have been ensuring? must we not have been ensuring? must you not have been ensuring? must they not have been ensuring?