English verb conjugation MUST ENSURE

Regular verb: ensure - ensured - ensured

Affirmation

Simple form

I must ensure
you must ensure
she must ensure
we must ensure
you must ensure
they must ensure

V-ing form

I must be ensuring
you must be ensuring
she must be ensuring
we must be ensuring
you must be ensuring
they must be ensuring

Perfect

I must have ensured
you must have ensured
she must have ensured
we must have ensured
you must have ensured
they must have ensured

V-ing perfect

I must have been ensuring
you must have been ensuring
she must have been ensuring
we must have been ensuring
you must have been ensuring
they must have been ensuring

Negation

Simple form

I must not ensure
you must not ensure
she must not ensure
we must not ensure
you must not ensure
they must not ensure

V-ing form

I must not be ensuring
you must not be ensuring
she must not be ensuring
we must not be ensuring
you must not be ensuring
they must not be ensuring

Perfect

I must not have ensured
you must not have ensured
she must not have ensured
we must not have ensured
you must not have ensured
they must not have ensured

V-ing perfect

I must not have been ensuring
you must not have been ensuring
she 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

must I ensure?
must you ensure?
must she ensure?
must we ensure?
must you ensure?
must they ensure?

V-ing form

must I be ensuring?
must you be ensuring?
must she be ensuring?
must we be ensuring?
must you be ensuring?
must they be ensuring?

Perfect

must I have ensured?
must you have ensured?
must she have ensured?
must we have ensured?
must you have ensured?
must they have ensured?

V-ing perfect

must I have been ensuring?
must you have been ensuring?
must she have been ensuring?
must we have been ensuring?
must you have been ensuring?
must they have been ensuring?

Interro-negative form

Simple form

must I not ensure?
must you not ensure?
must she not ensure?
must we not ensure?
must you not ensure?
must they not ensure?

V-ing form

must I not be ensuring?
must you not be ensuring?
must she not be ensuring?
must we not be ensuring?
must you not be ensuring?
must they not be ensuring?

Perfect

must I not have ensured?
must you not have ensured?
must she not have ensured?
must we not have ensured?
must you not have ensured?
must they not have ensured?

V-ing perfect

must I not have been ensuring?
must you not have been ensuring?
must she not have been ensuring?
must we not have been ensuring?
must you not have been ensuring?
must they not have been ensuring?

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