English verb conjugation MUST DROWSE

Regular verb: drowse - drowsed - drowsed

Affirmation

Simple form

I must drowse
you must drowse
she must drowse
we must drowse
you must drowse
they must drowse

V-ing form

I must be drowsing
you must be drowsing
she must be drowsing
we must be drowsing
you must be drowsing
they must be drowsing

Perfect

I must have drowsed
you must have drowsed
she must have drowsed
we must have drowsed
you must have drowsed
they must have drowsed

V-ing perfect

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

Negation

Simple form

I mustn't drowse
you mustn't drowse
she mustn't drowse
we mustn't drowse
you mustn't drowse
they mustn't drowse

V-ing form

I mustn't be drowsing
you mustn't be drowsing
she mustn't be drowsing
we mustn't be drowsing
you mustn't be drowsing
they mustn't be drowsing

Perfect

I mustn't have drowsed
you mustn't have drowsed
she mustn't have drowsed
we mustn't have drowsed
you mustn't have drowsed
they mustn't have drowsed

V-ing perfect

I mustn't have been drowsing
you mustn't have been drowsing
she mustn't have been drowsing
we mustn't have been drowsing
you mustn't have been drowsing
they mustn't have been drowsing

Interrogative form

Simple form

must I drowse?
must you drowse?
must she drowse?
must we drowse?
must you drowse?
must they drowse?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mustn't I drowse?
mustn't you drowse?
mustn't she drowse?
mustn't we drowse?
mustn't you drowse?
mustn't they drowse?

V-ing form

mustn't I be drowsing?
mustn't you be drowsing?
mustn't she be drowsing?
mustn't we be drowsing?
mustn't you be drowsing?
mustn't they be drowsing?

Perfect

mustn't I have drowsed?
mustn't you have drowsed?
mustn't she have drowsed?
mustn't we have drowsed?
mustn't you have drowsed?
mustn't they have drowsed?

V-ing perfect

mustn't I have been drowsing?
mustn't you have been drowsing?
mustn't she have been drowsing?
mustn't we have been drowsing?
mustn't you have been drowsing?
mustn't they have been drowsing?

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