I must section you must section she must section we must section you must section they must section
V-ing form
I must be sectioning you must be sectioning she must be sectioning we must be sectioning you must be sectioning they must be sectioning
Perfect
I must have sectioned you must have sectioned she must have sectioned we must have sectioned you must have sectioned they must have sectioned
V-ing perfect
I must have been sectioning you must have been sectioning she must have been sectioning we must have been sectioning you must have been sectioning they must have been sectioning
Negation
Simple form
I must not section you must not section she must not section we must not section you must not section they must not section
V-ing form
I must not be sectioning you must not be sectioning she must not be sectioning we must not be sectioning you must not be sectioning they must not be sectioning
Perfect
I must not have sectioned you must not have sectioned she must not have sectioned we must not have sectioned you must not have sectioned they must not have sectioned
V-ing perfect
I must not have been sectioning you must not have been sectioning she must not have been sectioning we must not have been sectioning you must not have been sectioning they must not have been sectioning
Interrogative form
Simple form
must I section? must you section? must she section? must we section? must you section? must they section?
V-ing form
must I be sectioning? must you be sectioning? must she be sectioning? must we be sectioning? must you be sectioning? must they be sectioning?
Perfect
must I have sectioned? must you have sectioned? must she have sectioned? must we have sectioned? must you have sectioned? must they have sectioned?
V-ing perfect
must I have been sectioning? must you have been sectioning? must she have been sectioning? must we have been sectioning? must you have been sectioning? must they have been sectioning?
Interro-negative form
Simple form
must I not section? must you not section? must she not section? must we not section? must you not section? must they not section?
V-ing form
must I not be sectioning? must you not be sectioning? must she not be sectioning? must we not be sectioning? must you not be sectioning? must they not be sectioning?
Perfect
must I not have sectioned? must you not have sectioned? must she not have sectioned? must we not have sectioned? must you not have sectioned? must they not have sectioned?
V-ing perfect
must I not have been sectioning? must you not have been sectioning? must she not have been sectioning? must we not have been sectioning? must you not have been sectioning? must they not have been sectioning?