I must deflate you must deflate he must deflate we must deflate you must deflate they must deflate
V-ing form
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
I must have deflated you must have deflated he must have deflated we must have deflated you must have deflated they must have deflated
V-ing perfect
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
I must not deflate you must not deflate he must not deflate we must not deflate you must not deflate they must not deflate
V-ing form
I must not be deflating you must not be deflating he must not be deflating we must not be deflating you must not be deflating they must not be deflating
Perfect
I must not have deflated you must not have deflated he must not have deflated we must not have deflated you must not have deflated they must not have deflated
V-ing perfect
I must not have been deflating you must not have been deflating he must not have been deflating we must not have been deflating you must not have been deflating they must not have been deflating
Interrogative form
Simple form
must I deflate? must you deflate? must he deflate? must we deflate? must you deflate? must they deflate?
V-ing form
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
must I have deflated? must you have deflated? must he have deflated? must we have deflated? must you have deflated? must they have deflated?
V-ing perfect
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
must I not deflate? must you not deflate? must he not deflate? must we not deflate? must you not deflate? must they not deflate?
V-ing form
must I not be deflating? must you not be deflating? must he not be deflating? must we not be deflating? must you not be deflating? must they not be deflating?
Perfect
must I not have deflated? must you not have deflated? must he not have deflated? must we not have deflated? must you not have deflated? must they not have deflated?
V-ing perfect
must I not have been deflating? must you not have been deflating? must he not have been deflating? must we not have been deflating? must you not have been deflating? must they not have been deflating?