English verb conjugation
MUST LUNCH

Regular verb: lunch - lunched - lunched

Affirmation

Simple form	V-ing form
I must lunch you must lunch she must lunch we must lunch you must lunch they must lunch	I must be lunching you must be lunching she 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 she 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 she 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 she 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 she 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 she 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 she 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 she lunch? must we lunch? must you lunch? must they lunch?	must I be lunching? must you be lunching? must she 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 she 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 she 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 she 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 she 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 she 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 she have been lunching? mustn't we have been lunching? mustn't you have been lunching? mustn't they have been lunching?