English verb conjugation
MUST LURCH

Regular verb: lurch - lurched - lurched

Affirmation

Simple form	V-ing form
I must lurch you must lurch he must lurch we must lurch you must lurch they must lurch	I must be lurching you must be lurching he must be lurching we must be lurching you must be lurching they must be lurching
Perfect	V-ing perfect
I must have lurched you must have lurched he must have lurched we must have lurched you must have lurched they must have lurched	I must have been lurching you must have been lurching he must have been lurching we must have been lurching you must have been lurching they must have been lurching

Negation

Simple form	V-ing form
I must not lurch you must not lurch he must not lurch we must not lurch you must not lurch they must not lurch	I must not be lurching you must not be lurching he must not be lurching we must not be lurching you must not be lurching they must not be lurching
Perfect	V-ing perfect
I must not have lurched you must not have lurched he must not have lurched we must not have lurched you must not have lurched they must not have lurched	I must not have been lurching you must not have been lurching he must not have been lurching we must not have been lurching you must not have been lurching they must not have been lurching

Interrogative form

Simple form	V-ing form
must I lurch? must you lurch? must he lurch? must we lurch? must you lurch? must they lurch?	must I be lurching? must you be lurching? must he be lurching? must we be lurching? must you be lurching? must they be lurching?
Perfect	V-ing perfect
must I have lurched? must you have lurched? must he have lurched? must we have lurched? must you have lurched? must they have lurched?	must I have been lurching? must you have been lurching? must he have been lurching? must we have been lurching? must you have been lurching? must they have been lurching?

Interro-negative form

Simple form	V-ing form
must I not lurch? must you not lurch? must he not lurch? must we not lurch? must you not lurch? must they not lurch?	must I not be lurching? must you not be lurching? must he not be lurching? must we not be lurching? must you not be lurching? must they not be lurching?
Perfect	V-ing perfect
must I not have lurched? must you not have lurched? must he not have lurched? must we not have lurched? must you not have lurched? must they not have lurched?	must I not have been lurching? must you not have been lurching? must he not have been lurching? must we not have been lurching? must you not have been lurching? must they not have been lurching?