English verb conjugation MUST SUMMER

Regular verb: summer - summered - summered

Affirmation

Simple form

I must summer
you must summer
he must summer
we must summer
you must summer
they must summer

V-ing form

I must be summering
you must be summering
he must be summering
we must be summering
you must be summering
they must be summering

Perfect

I must have summered
you must have summered
he 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
he must have been summering
we must have been summering
you must have been summering
they must have been summering

Negation

Simple form

I must not summer
you must not summer
he must not summer
we must not summer
you must not summer
they must not summer

V-ing form

I must not be summering
you must not be summering
he must not be summering
we must not be summering
you must not be summering
they must not be summering

Perfect

I must not have summered
you must not have summered
he must not have summered
we must not have summered
you must not have summered
they must not have summered

V-ing perfect

I must not have been summering
you must not have been summering
he must not have been summering
we must not have been summering
you must not have been summering
they must not have been summering

Interrogative form

Simple form

must I summer?
must you summer?
must he summer?
must we summer?
must you summer?
must they summer?

V-ing form

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

Perfect

must I have summered?
must you have summered?
must he 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 he have been summering?
must we have been summering?
must you have been summering?
must they have been summering?

Interro-negative form

Simple form

must I not summer?
must you not summer?
must he not summer?
must we not summer?
must you not summer?
must they not summer?

V-ing form

must I not be summering?
must you not be summering?
must he not be summering?
must we not be summering?
must you not be summering?
must they not be summering?

Perfect

must I not have summered?
must you not have summered?
must he not have summered?
must we not have summered?
must you not have summered?
must they not have summered?

V-ing perfect

must I not have been summering?
must you not have been summering?
must he not have been summering?
must we not have been summering?
must you not have been summering?
must they not have been summering?

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