English verb conjugation MUST STEP

Regular verb: step - stepped - stepped

Affirmation

Simple form

I must step
you must step
he must step
we must step
you must step
they must step

V-ing form

I must be stepping
you must be stepping
he must be stepping
we must be stepping
you must be stepping
they must be stepping

Perfect

I must have stepped
you must have stepped
he must have stepped
we must have stepped
you must have stepped
they must have stepped

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I step?
must you step?
must he step?
must we step?
must you step?
must they step?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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