English verb conjugation
MUST REACH

Regular verb: reach - reached - reached

Affirmation

Simple form	V-ing form
I must reach you must reach he must reach we must reach you must reach they must reach	I must be reaching you must be reaching he must be reaching we must be reaching you must be reaching they must be reaching
Perfect	V-ing perfect
I must have reached you must have reached he must have reached we must have reached you must have reached they must have reached	I must have been reaching you must have been reaching he must have been reaching we must have been reaching you must have been reaching they must have been reaching

Negation

Simple form	V-ing form
I mustn't reach you mustn't reach he mustn't reach we mustn't reach you mustn't reach they mustn't reach	I mustn't be reaching you mustn't be reaching he mustn't be reaching we mustn't be reaching you mustn't be reaching they mustn't be reaching
Perfect	V-ing perfect
I mustn't have reached you mustn't have reached he mustn't have reached we mustn't have reached you mustn't have reached they mustn't have reached	I mustn't have been reaching you mustn't have been reaching he mustn't have been reaching we mustn't have been reaching you mustn't have been reaching they mustn't have been reaching

Interrogative form

Simple form	V-ing form
must I reach? must you reach? must he reach? must we reach? must you reach? must they reach?	must I be reaching? must you be reaching? must he be reaching? must we be reaching? must you be reaching? must they be reaching?
Perfect	V-ing perfect
must I have reached? must you have reached? must he have reached? must we have reached? must you have reached? must they have reached?	must I have been reaching? must you have been reaching? must he have been reaching? must we have been reaching? must you have been reaching? must they have been reaching?

Interro-negative form

Simple form	V-ing form
mustn't I reach? mustn't you reach? mustn't he reach? mustn't we reach? mustn't you reach? mustn't they reach?	mustn't I be reaching? mustn't you be reaching? mustn't he be reaching? mustn't we be reaching? mustn't you be reaching? mustn't they be reaching?
Perfect	V-ing perfect
mustn't I have reached? mustn't you have reached? mustn't he have reached? mustn't we have reached? mustn't you have reached? mustn't they have reached?	mustn't I have been reaching? mustn't you have been reaching? mustn't he have been reaching? mustn't we have been reaching? mustn't you have been reaching? mustn't they have been reaching?