English verb conjugation MUST OBTAIN

Regular verb: obtain - obtained - obtained

Affirmation

Simple form

I must obtain
you must obtain
she must obtain
we must obtain
you must obtain
they must obtain

V-ing form

I must be obtaining
you must be obtaining
she must be obtaining
we must be obtaining
you must be obtaining
they must be obtaining

Perfect

I must have obtained
you must have obtained
she must have obtained
we must have obtained
you must have obtained
they must have obtained

V-ing perfect

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

Negation

Simple form

I must not obtain
you must not obtain
she must not obtain
we must not obtain
you must not obtain
they must not obtain

V-ing form

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

Perfect

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

V-ing perfect

I must not have been obtaining
you must not have been obtaining
she must not have been obtaining
we must not have been obtaining
you must not have been obtaining
they must not have been obtaining

Interrogative form

Simple form

must I obtain?
must you obtain?
must she obtain?
must we obtain?
must you obtain?
must they obtain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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