Regular verb: start start - start started - start started
Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must start start you must start start he must start start we must start start you must start start they must start start
V-ing form
I must be start starting you must be start starting he must be start starting we must be start starting you must be start starting they must be start starting
Perfect
I must have start started you must have start started he must have start started we must have start started you must have start started they must have start started
V-ing perfect
I must have been start starting you must have been start starting he must have been start starting we must have been start starting you must have been start starting they must have been start starting
Negation
Simple form
I must not start start you must not start start he must not start start we must not start start you must not start start they must not start start
V-ing form
I must not be start starting you must not be start starting he must not be start starting we must not be start starting you must not be start starting they must not be start starting
Perfect
I must not have start started you must not have start started he must not have start started we must not have start started you must not have start started they must not have start started
V-ing perfect
I must not have been start starting you must not have been start starting he must not have been start starting we must not have been start starting you must not have been start starting they must not have been start starting
Interrogative form
Simple form
must I start start? must you start start? must he start start? must we start start? must you start start? must they start start?
V-ing form
must I be start starting? must you be start starting? must he be start starting? must we be start starting? must you be start starting? must they be start starting?
Perfect
must I have start started? must you have start started? must he have start started? must we have start started? must you have start started? must they have start started?
V-ing perfect
must I have been start starting? must you have been start starting? must he have been start starting? must we have been start starting? must you have been start starting? must they have been start starting?
Interro-negative form
Simple form
must I not start start? must you not start start? must he not start start? must we not start start? must you not start start? must they not start start?
V-ing form
must I not be start starting? must you not be start starting? must he not be start starting? must we not be start starting? must you not be start starting? must they not be start starting?
Perfect
must I not have start started? must you not have start started? must he not have start started? must we not have start started? must you not have start started? must they not have start started?
V-ing perfect
must I not have been start starting? must you not have been start starting? must he not have been start starting? must we not have been start starting? must you not have been start starting? must they not have been start starting?