English verb conjugation MUST WINDSURF

Regular verb: windsurf - windsurfed - windsurfed

Affirmation

Simple form

I must windsurf
you must windsurf
she must windsurf
we must windsurf
you must windsurf
they must windsurf

V-ing form

I must be windsurfing
you must be windsurfing
she must be windsurfing
we must be windsurfing
you must be windsurfing
they must be windsurfing

Perfect

I must have windsurfed
you must have windsurfed
she must have windsurfed
we must have windsurfed
you must have windsurfed
they must have windsurfed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I windsurf?
must you windsurf?
must she windsurf?
must we windsurf?
must you windsurf?
must they windsurf?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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