English verb conjugation MUST SUMMER

Regular verb: summer - summered - summered

Affirmation

Simple form

I must summer
you must summer
she must summer
we must summer
you must summer
they must summer

V-ing form

I must be summering
you must be summering
she must be summering
we must be summering
you must be summering
they must be summering

Perfect

I must have summered
you must have summered
she must have summered
we must have summered
you must have summered
they must have summered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I summer?
must you summer?
must she summer?
must we summer?
must you summer?
must they summer?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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