English verb conjugation MUST SPAR

Regular verb: spar - sparred - sparred

Affirmation

Simple form

I must spar
you must spar
he must spar
we must spar
you must spar
they must spar

V-ing form

I must be sparring
you must be sparring
he must be sparring
we must be sparring
you must be sparring
they must be sparring

Perfect

I must have sparred
you must have sparred
he must have sparred
we must have sparred
you must have sparred
they must have sparred

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I spar?
must you spar?
must he spar?
must we spar?
must you spar?
must they spar?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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