English verb conjugation MUST DRAIN

Regular verb: drain - drained - drained

Affirmation

Simple form

I must drain
you must drain
he must drain
we must drain
you must drain
they must drain

V-ing form

I must be draining
you must be draining
he must be draining
we must be draining
you must be draining
they must be draining

Perfect

I must have drained
you must have drained
he 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
he must have been draining
we must have been draining
you must have been draining
they must have been draining

Negation

Simple form

I mustn't drain
you mustn't drain
he mustn't drain
we mustn't drain
you mustn't drain
they mustn't drain

V-ing form

I mustn't be draining
you mustn't be draining
he mustn't be draining
we mustn't be draining
you mustn't be draining
they mustn't be draining

Perfect

I mustn't have drained
you mustn't have drained
he mustn't have drained
we mustn't have drained
you mustn't have drained
they mustn't have drained

V-ing perfect

I mustn't have been draining
you mustn't have been draining
he mustn't have been draining
we mustn't have been draining
you mustn't have been draining
they mustn't have been draining

Interrogative form

Simple form

must I drain?
must you drain?
must he drain?
must we drain?
must you drain?
must they drain?

V-ing form

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

Perfect

must I have drained?
must you have drained?
must he 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 he have been draining?
must we have been draining?
must you have been draining?
must they have been draining?

Interro-negative form

Simple form

mustn't I drain?
mustn't you drain?
mustn't he drain?
mustn't we drain?
mustn't you drain?
mustn't they drain?

V-ing form

mustn't I be draining?
mustn't you be draining?
mustn't he be draining?
mustn't we be draining?
mustn't you be draining?
mustn't they be draining?

Perfect

mustn't I have drained?
mustn't you have drained?
mustn't he have drained?
mustn't we have drained?
mustn't you have drained?
mustn't they have drained?

V-ing perfect

mustn't I have been draining?
mustn't you have been draining?
mustn't he have been draining?
mustn't we have been draining?
mustn't you have been draining?
mustn't they have been draining?

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