female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation MUST STEP
Regular verb: step - stepped - stepped
Affirmation
Simple form
I must stepyou must step
he must step
we must step
you must step
they must step
V-ing form
I must be steppingyou must be stepping
he must be stepping
we must be stepping
you must be stepping
they must be stepping
Perfect
I must have steppedyou 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 steppingyou 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 stepyou 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 steppingyou 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 steppedyou 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 steppingyou 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?