English verb conjugation
MUST DEFLATE

Regular verb: deflate - deflated - deflated

Affirmation

Simple form	V-ing form
I must deflate you must deflate he must deflate we must deflate you must deflate they must deflate	I must be deflating you must be deflating he must be deflating we must be deflating you must be deflating they must be deflating
Perfect	V-ing perfect
I must have deflated you must have deflated he must have deflated we must have deflated you must have deflated they must have deflated	I must have been deflating you must have been deflating he must have been deflating we must have been deflating you must have been deflating they must have been deflating

Negation

Simple form	V-ing form
I mustn't deflate you mustn't deflate he mustn't deflate we mustn't deflate you mustn't deflate they mustn't deflate	I mustn't be deflating you mustn't be deflating he mustn't be deflating we mustn't be deflating you mustn't be deflating they mustn't be deflating
Perfect	V-ing perfect
I mustn't have deflated you mustn't have deflated he mustn't have deflated we mustn't have deflated you mustn't have deflated they mustn't have deflated	I mustn't have been deflating you mustn't have been deflating he mustn't have been deflating we mustn't have been deflating you mustn't have been deflating they mustn't have been deflating

Interrogative form

Simple form	V-ing form
must I deflate? must you deflate? must he deflate? must we deflate? must you deflate? must they deflate?	must I be deflating? must you be deflating? must he be deflating? must we be deflating? must you be deflating? must they be deflating?
Perfect	V-ing perfect
must I have deflated? must you have deflated? must he have deflated? must we have deflated? must you have deflated? must they have deflated?	must I have been deflating? must you have been deflating? must he have been deflating? must we have been deflating? must you have been deflating? must they have been deflating?

Interro-negative form

Simple form	V-ing form
mustn't I deflate? mustn't you deflate? mustn't he deflate? mustn't we deflate? mustn't you deflate? mustn't they deflate?	mustn't I be deflating? mustn't you be deflating? mustn't he be deflating? mustn't we be deflating? mustn't you be deflating? mustn't they be deflating?
Perfect	V-ing perfect
mustn't I have deflated? mustn't you have deflated? mustn't he have deflated? mustn't we have deflated? mustn't you have deflated? mustn't they have deflated?	mustn't I have been deflating? mustn't you have been deflating? mustn't he have been deflating? mustn't we have been deflating? mustn't you have been deflating? mustn't they have been deflating?