English verb conjugation
MUST LATCH

Regular verb: latch - latched - latched

Affirmation

Simple form	V-ing form
I must latch you must latch he must latch we must latch you must latch they must latch	I must be latching you must be latching he must be latching we must be latching you must be latching they must be latching
Perfect	V-ing perfect
I must have latched you must have latched he must have latched we must have latched you must have latched they must have latched	I must have been latching you must have been latching he must have been latching we must have been latching you must have been latching they must have been latching

Negation

Simple form	V-ing form
I mustn't latch you mustn't latch he mustn't latch we mustn't latch you mustn't latch they mustn't latch	I mustn't be latching you mustn't be latching he mustn't be latching we mustn't be latching you mustn't be latching they mustn't be latching
Perfect	V-ing perfect
I mustn't have latched you mustn't have latched he mustn't have latched we mustn't have latched you mustn't have latched they mustn't have latched	I mustn't have been latching you mustn't have been latching he mustn't have been latching we mustn't have been latching you mustn't have been latching they mustn't have been latching

Interrogative form

Simple form	V-ing form
must I latch? must you latch? must he latch? must we latch? must you latch? must they latch?	must I be latching? must you be latching? must he be latching? must we be latching? must you be latching? must they be latching?
Perfect	V-ing perfect
must I have latched? must you have latched? must he have latched? must we have latched? must you have latched? must they have latched?	must I have been latching? must you have been latching? must he have been latching? must we have been latching? must you have been latching? must they have been latching?

Interro-negative form

Simple form	V-ing form
mustn't I latch? mustn't you latch? mustn't he latch? mustn't we latch? mustn't you latch? mustn't they latch?	mustn't I be latching? mustn't you be latching? mustn't he be latching? mustn't we be latching? mustn't you be latching? mustn't they be latching?
Perfect	V-ing perfect
mustn't I have latched? mustn't you have latched? mustn't he have latched? mustn't we have latched? mustn't you have latched? mustn't they have latched?	mustn't I have been latching? mustn't you have been latching? mustn't he have been latching? mustn't we have been latching? mustn't you have been latching? mustn't they have been latching?