female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation MUST START
Regular verb: start - started - started
Affirmation
Simple form
I must startyou must start
he must start
we must start
you must start
they must start
V-ing form
I must be startingyou must be starting
he must be starting
we must be starting
you must be starting
they must be starting
Perfect
I must have startedyou must have started
he must have started
we must have started
you must have started
they must have started
V-ing perfect
I must have been startingyou must have been starting
he must have been starting
we must have been starting
you must have been starting
they must have been starting
Negation
Simple form
I mustn't startyou mustn't start
he mustn't start
we mustn't start
you mustn't start
they mustn't start
V-ing form
I mustn't be startingyou mustn't be starting
he mustn't be starting
we mustn't be starting
you mustn't be starting
they mustn't be starting
Perfect
I mustn't have startedyou mustn't have started
he mustn't have started
we mustn't have started
you mustn't have started
they mustn't have started
V-ing perfect
I mustn't have been startingyou mustn't have been starting
he mustn't have been starting
we mustn't have been starting
you mustn't have been starting
they mustn't have been starting
Interrogative form
Simple form
must I start?must you start?
must he start?
must we start?
must you start?
must they start?
V-ing form
must I be starting?must you be starting?
must he be starting?
must we be starting?
must you be starting?
must they be starting?
Perfect
must I have started?must you have started?
must he have started?
must we have started?
must you have started?
must they have started?
V-ing perfect
must I have been starting?must you have been starting?
must he have been starting?
must we have been starting?
must you have been starting?
must they have been starting?
Interro-negative form
Simple form
mustn't I start?mustn't you start?
mustn't he start?
mustn't we start?
mustn't you start?
mustn't they start?
V-ing form
mustn't I be starting?mustn't you be starting?
mustn't he be starting?
mustn't we be starting?
mustn't you be starting?
mustn't they be starting?
Perfect
mustn't I have started?mustn't you have started?
mustn't he have started?
mustn't we have started?
mustn't you have started?
mustn't they have started?
V-ing perfect
mustn't I have been starting?mustn't you have been starting?
mustn't he have been starting?
mustn't we have been starting?
mustn't you have been starting?
mustn't they have been starting?