English verb conjugation MUST CLASH

Regular verb: clash - clashed - clashed

Affirmation

Simple form

I must clash
you must clash
he must clash
we must clash
you must clash
they must clash

V-ing form

I must be clashing
you must be clashing
he must be clashing
we must be clashing
you must be clashing
they must be clashing

Perfect

I must have clashed
you must have clashed
he must have clashed
we must have clashed
you must have clashed
they must have clashed

V-ing perfect

I must have been clashing
you must have been clashing
he must have been clashing
we must have been clashing
you must have been clashing
they must have been clashing

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I clash?
must you clash?
must he clash?
must we clash?
must you clash?
must they clash?

V-ing form

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

Perfect

must I have clashed?
must you have clashed?
must he have clashed?
must we have clashed?
must you have clashed?
must they have clashed?

V-ing perfect

must I have been clashing?
must you have been clashing?
must he have been clashing?
must we have been clashing?
must you have been clashing?
must they have been clashing?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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