English verb conjugation MUST PIONEER

Regular verb: pioneer - pioneered - pioneered

Affirmation

Simple form

I must pioneer
you must pioneer
he must pioneer
we must pioneer
you must pioneer
they must pioneer

V-ing form

I must be pioneering
you must be pioneering
he must be pioneering
we must be pioneering
you must be pioneering
they must be pioneering

Perfect

I must have pioneered
you must have pioneered
he must have pioneered
we must have pioneered
you must have pioneered
they must have pioneered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I pioneer?
must you pioneer?
must he pioneer?
must we pioneer?
must you pioneer?
must they pioneer?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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