English verb conjugation
MUST REOBTAIN

Regular verb: reobtain - reobtained - reobtained

Affirmation

Simple form	V-ing form
I must reobtain you must reobtain he must reobtain we must reobtain you must reobtain they must reobtain	I must be reobtaining you must be reobtaining he must be reobtaining we must be reobtaining you must be reobtaining they must be reobtaining
Perfect	V-ing perfect
I must have reobtained you must have reobtained he must have reobtained we must have reobtained you must have reobtained they must have reobtained	I must have been reobtaining you must have been reobtaining he must have been reobtaining we must have been reobtaining you must have been reobtaining they must have been reobtaining

Negation

Simple form	V-ing form
I mustn't reobtain you mustn't reobtain he mustn't reobtain we mustn't reobtain you mustn't reobtain they mustn't reobtain	I mustn't be reobtaining you mustn't be reobtaining he mustn't be reobtaining we mustn't be reobtaining you mustn't be reobtaining they mustn't be reobtaining
Perfect	V-ing perfect
I mustn't have reobtained you mustn't have reobtained he mustn't have reobtained we mustn't have reobtained you mustn't have reobtained they mustn't have reobtained	I mustn't have been reobtaining you mustn't have been reobtaining he mustn't have been reobtaining we mustn't have been reobtaining you mustn't have been reobtaining they mustn't have been reobtaining

Interrogative form

Simple form	V-ing form
must I reobtain? must you reobtain? must he reobtain? must we reobtain? must you reobtain? must they reobtain?	must I be reobtaining? must you be reobtaining? must he be reobtaining? must we be reobtaining? must you be reobtaining? must they be reobtaining?
Perfect	V-ing perfect
must I have reobtained? must you have reobtained? must he have reobtained? must we have reobtained? must you have reobtained? must they have reobtained?	must I have been reobtaining? must you have been reobtaining? must he have been reobtaining? must we have been reobtaining? must you have been reobtaining? must they have been reobtaining?

Interro-negative form

Simple form	V-ing form
mustn't I reobtain? mustn't you reobtain? mustn't he reobtain? mustn't we reobtain? mustn't you reobtain? mustn't they reobtain?	mustn't I be reobtaining? mustn't you be reobtaining? mustn't he be reobtaining? mustn't we be reobtaining? mustn't you be reobtaining? mustn't they be reobtaining?
Perfect	V-ing perfect
mustn't I have reobtained? mustn't you have reobtained? mustn't he have reobtained? mustn't we have reobtained? mustn't you have reobtained? mustn't they have reobtained?	mustn't I have been reobtaining? mustn't you have been reobtaining? mustn't he have been reobtaining? mustn't we have been reobtaining? mustn't you have been reobtaining? mustn't they have been reobtaining?