English verb conjugation
MUST LUNCH

Regular verb: lunch - lunched - lunched

Affirmation

Simple form	V-ing form
I must lunch you must lunch he must lunch we must lunch you must lunch they must lunch	I must be lunching you must be lunching he must be lunching we must be lunching you must be lunching they must be lunching
Perfect	V-ing perfect
I must have lunched you must have lunched he must have lunched we must have lunched you must have lunched they must have lunched	I must have been lunching you must have been lunching he must have been lunching we must have been lunching you must have been lunching they must have been lunching

Negation

Simple form	V-ing form
I mustn't lunch you mustn't lunch he mustn't lunch we mustn't lunch you mustn't lunch they mustn't lunch	I mustn't be lunching you mustn't be lunching he mustn't be lunching we mustn't be lunching you mustn't be lunching they mustn't be lunching
Perfect	V-ing perfect
I mustn't have lunched you mustn't have lunched he mustn't have lunched we mustn't have lunched you mustn't have lunched they mustn't have lunched	I mustn't have been lunching you mustn't have been lunching he mustn't have been lunching we mustn't have been lunching you mustn't have been lunching they mustn't have been lunching

Interrogative form

Simple form	V-ing form
must I lunch? must you lunch? must he lunch? must we lunch? must you lunch? must they lunch?	must I be lunching? must you be lunching? must he be lunching? must we be lunching? must you be lunching? must they be lunching?
Perfect	V-ing perfect
must I have lunched? must you have lunched? must he have lunched? must we have lunched? must you have lunched? must they have lunched?	must I have been lunching? must you have been lunching? must he have been lunching? must we have been lunching? must you have been lunching? must they have been lunching?

Interro-negative form

Simple form	V-ing form
mustn't I lunch? mustn't you lunch? mustn't he lunch? mustn't we lunch? mustn't you lunch? mustn't they lunch?	mustn't I be lunching? mustn't you be lunching? mustn't he be lunching? mustn't we be lunching? mustn't you be lunching? mustn't they be lunching?
Perfect	V-ing perfect
mustn't I have lunched? mustn't you have lunched? mustn't he have lunched? mustn't we have lunched? mustn't you have lunched? mustn't they have lunched?	mustn't I have been lunching? mustn't you have been lunching? mustn't he have been lunching? mustn't we have been lunching? mustn't you have been lunching? mustn't they have been lunching?