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 mustn't lurch you mustn't lurch he mustn't lurch we mustn't lurch you mustn't lurch they mustn't lurch	I mustn't be lurching you mustn't be lurching he mustn't be lurching we mustn't be lurching you mustn't be lurching they mustn't be lurching
Perfect	V-ing perfect
I mustn't have lurched you mustn't have lurched he mustn't have lurched we mustn't have lurched you mustn't have lurched they mustn't have lurched	I mustn't have been lurching you mustn't have been lurching he mustn't have been lurching we mustn't have been lurching you mustn't have been lurching they mustn't 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
mustn't I lurch? mustn't you lurch? mustn't he lurch? mustn't we lurch? mustn't you lurch? mustn't they lurch?	mustn't I be lurching? mustn't you be lurching? mustn't he be lurching? mustn't we be lurching? mustn't you be lurching? mustn't they be lurching?
Perfect	V-ing perfect
mustn't I have lurched? mustn't you have lurched? mustn't he have lurched? mustn't we have lurched? mustn't you have lurched? mustn't they have lurched?	mustn't I have been lurching? mustn't you have been lurching? mustn't he have been lurching? mustn't we have been lurching? mustn't you have been lurching? mustn't they have been lurching?