English verb conjugation MUST MASH

Regular verb: mash - mashed - mashed

Affirmation

Simple form

I must mash
you must mash
he must mash
we must mash
you must mash
they must mash

V-ing form

I must be mashing
you must be mashing
he must be mashing
we must be mashing
you must be mashing
they must be mashing

Perfect

I must have mashed
you must have mashed
he must have mashed
we must have mashed
you must have mashed
they must have mashed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I mash?
must you mash?
must he mash?
must we mash?
must you mash?
must they mash?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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