English verb conjugation MUST THRESH

Regular verb: thresh - threshed - threshed

Affirmation

Simple form

I must thresh
you must thresh
she must thresh
we must thresh
you must thresh
they must thresh

V-ing form

I must be threshing
you must be threshing
she must be threshing
we must be threshing
you must be threshing
they must be threshing

Perfect

I must have threshed
you must have threshed
she must have threshed
we must have threshed
you must have threshed
they must have threshed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I thresh?
must you thresh?
must she thresh?
must we thresh?
must you thresh?
must they thresh?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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