English verb conjugation MUST SPHERE

Regular verb: sphere - sphered - sphered

Affirmation

Simple form

I must sphere
you must sphere
he must sphere
we must sphere
you must sphere
they must sphere

V-ing form

I must be sphering
you must be sphering
he must be sphering
we must be sphering
you must be sphering
they must be sphering

Perfect

I must have sphered
you must have sphered
he must have sphered
we must have sphered
you must have sphered
they must have sphered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I sphere?
must you sphere?
must he sphere?
must we sphere?
must you sphere?
must they sphere?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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