male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation MUST PIONEER
Regular verb: pioneer - pioneered - pioneered
Affirmation
Simple form
I must pioneeryou must pioneer
she must pioneer
we must pioneer
you must pioneer
they must pioneer
V-ing form
I must be pioneeringyou must be pioneering
she must be pioneering
we must be pioneering
you must be pioneering
they must be pioneering
Perfect
I must have pioneeredyou must have pioneered
she must have pioneered
we must have pioneered
you must have pioneered
they must have pioneered
V-ing perfect
I must have been pioneeringyou must have been pioneering
she 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 pioneeryou mustn't pioneer
she mustn't pioneer
we mustn't pioneer
you mustn't pioneer
they mustn't pioneer
V-ing form
I mustn't be pioneeringyou mustn't be pioneering
she mustn't be pioneering
we mustn't be pioneering
you mustn't be pioneering
they mustn't be pioneering
Perfect
I mustn't have pioneeredyou mustn't have pioneered
she 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 pioneeringyou mustn't have been pioneering
she 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 she pioneer?
must we pioneer?
must you pioneer?
must they pioneer?
V-ing form
must I be pioneering?must you be pioneering?
must she be pioneering?
must we be pioneering?
must you be pioneering?
must they be pioneering?
Perfect
must I have pioneered?must you have pioneered?
must she 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 she 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 she 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 she 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 she 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 she have been pioneering?
mustn't we have been pioneering?
mustn't you have been pioneering?
mustn't they have been pioneering?