English verb conjugation
MUST DEFAT

Regular verb: defat - defated - defated

Affirmation

Simple form	V-ing form
I must defat you must defat he must defat we must defat you must defat they must defat	I must be defating you must be defating he must be defating we must be defating you must be defating they must be defating
Perfect	V-ing perfect
I must have defated you must have defated he must have defated we must have defated you must have defated they must have defated	I must have been defating you must have been defating he must have been defating we must have been defating you must have been defating they must have been defating

Negation

Simple form	V-ing form
I mustn't defat you mustn't defat he mustn't defat we mustn't defat you mustn't defat they mustn't defat	I mustn't be defating you mustn't be defating he mustn't be defating we mustn't be defating you mustn't be defating they mustn't be defating
Perfect	V-ing perfect
I mustn't have defated you mustn't have defated he mustn't have defated we mustn't have defated you mustn't have defated they mustn't have defated	I mustn't have been defating you mustn't have been defating he mustn't have been defating we mustn't have been defating you mustn't have been defating they mustn't have been defating

Interrogative form

Simple form	V-ing form
must I defat? must you defat? must he defat? must we defat? must you defat? must they defat?	must I be defating? must you be defating? must he be defating? must we be defating? must you be defating? must they be defating?
Perfect	V-ing perfect
must I have defated? must you have defated? must he have defated? must we have defated? must you have defated? must they have defated?	must I have been defating? must you have been defating? must he have been defating? must we have been defating? must you have been defating? must they have been defating?

Interro-negative form

Simple form	V-ing form
mustn't I defat? mustn't you defat? mustn't he defat? mustn't we defat? mustn't you defat? mustn't they defat?	mustn't I be defating? mustn't you be defating? mustn't he be defating? mustn't we be defating? mustn't you be defating? mustn't they be defating?
Perfect	V-ing perfect
mustn't I have defated? mustn't you have defated? mustn't he have defated? mustn't we have defated? mustn't you have defated? mustn't they have defated?	mustn't I have been defating? mustn't you have been defating? mustn't he have been defating? mustn't we have been defating? mustn't you have been defating? mustn't they have been defating?