English verb conjugation MUST SKIN

Regular verb: skin - skinned - skinned

Affirmation

Simple form

I must skin
you must skin
she must skin
we must skin
you must skin
they must skin

V-ing form

I must be skinning
you must be skinning
she must be skinning
we must be skinning
you must be skinning
they must be skinning

Perfect

I must have skinned
you must have skinned
she must have skinned
we must have skinned
you must have skinned
they must have skinned

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I skin?
must you skin?
must she skin?
must we skin?
must you skin?
must they skin?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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