English verb conjugation
MUST ABANDON

Regular verb: abandon - abandoned - abandoned

Affirmation

Simple form	V-ing form
I must abandon you must abandon he must abandon we must abandon you must abandon they must abandon	I must be abandoning you must be abandoning he must be abandoning we must be abandoning you must be abandoning they must be abandoning
Perfect	V-ing perfect
I must have abandoned you must have abandoned he must have abandoned we must have abandoned you must have abandoned they must have abandoned	I must have been abandoning you must have been abandoning he must have been abandoning we must have been abandoning you must have been abandoning they must have been abandoning

Negation

Simple form	V-ing form
I mustn't abandon you mustn't abandon he mustn't abandon we mustn't abandon you mustn't abandon they mustn't abandon	I mustn't be abandoning you mustn't be abandoning he mustn't be abandoning we mustn't be abandoning you mustn't be abandoning they mustn't be abandoning
Perfect	V-ing perfect
I mustn't have abandoned you mustn't have abandoned he mustn't have abandoned we mustn't have abandoned you mustn't have abandoned they mustn't have abandoned	I mustn't have been abandoning you mustn't have been abandoning he mustn't have been abandoning we mustn't have been abandoning you mustn't have been abandoning they mustn't have been abandoning

Interrogative form

Simple form	V-ing form
must I abandon? must you abandon? must he abandon? must we abandon? must you abandon? must they abandon?	must I be abandoning? must you be abandoning? must he be abandoning? must we be abandoning? must you be abandoning? must they be abandoning?
Perfect	V-ing perfect
must I have abandoned? must you have abandoned? must he have abandoned? must we have abandoned? must you have abandoned? must they have abandoned?	must I have been abandoning? must you have been abandoning? must he have been abandoning? must we have been abandoning? must you have been abandoning? must they have been abandoning?

Interro-negative form

Simple form	V-ing form
mustn't I abandon? mustn't you abandon? mustn't he abandon? mustn't we abandon? mustn't you abandon? mustn't they abandon?	mustn't I be abandoning? mustn't you be abandoning? mustn't he be abandoning? mustn't we be abandoning? mustn't you be abandoning? mustn't they be abandoning?
Perfect	V-ing perfect
mustn't I have abandoned? mustn't you have abandoned? mustn't he have abandoned? mustn't we have abandoned? mustn't you have abandoned? mustn't they have abandoned?	mustn't I have been abandoning? mustn't you have been abandoning? mustn't he have been abandoning? mustn't we have been abandoning? mustn't you have been abandoning? mustn't they have been abandoning?