English verb conjugation MUST DRAIN

Regular verb: drain - drained - drained

Affirmation

Simple form

I must drain
you must drain
she must drain
we must drain
you must drain
they must drain

V-ing form

I must be draining
you must be draining
she must be draining
we must be draining
you must be draining
they must be draining

Perfect

I must have drained
you must have drained
she must have drained
we must have drained
you must have drained
they must have drained

V-ing perfect

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

Negation

Simple form

I must not drain
you must not drain
she must not drain
we must not drain
you must not drain
they must not drain

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I drain?
must you drain?
must she drain?
must we drain?
must you drain?
must they drain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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