I must divide you must divide she must divide we must divide you must divide they must divide
V-ing form
I must be dividing you must be dividing she must be dividing we must be dividing you must be dividing they must be dividing
Perfect
I must have divided you must have divided she must have divided we must have divided you must have divided they must have divided
V-ing perfect
I must have been dividing you must have been dividing she must have been dividing we must have been dividing you must have been dividing they must have been dividing
Negation
Simple form
I must not divide you must not divide she must not divide we must not divide you must not divide they must not divide
V-ing form
I must not be dividing you must not be dividing she must not be dividing we must not be dividing you must not be dividing they must not be dividing
Perfect
I must not have divided you must not have divided she must not have divided we must not have divided you must not have divided they must not have divided
V-ing perfect
I must not have been dividing you must not have been dividing she must not have been dividing we must not have been dividing you must not have been dividing they must not have been dividing
Interrogative form
Simple form
must I divide? must you divide? must she divide? must we divide? must you divide? must they divide?
V-ing form
must I be dividing? must you be dividing? must she be dividing? must we be dividing? must you be dividing? must they be dividing?
Perfect
must I have divided? must you have divided? must she have divided? must we have divided? must you have divided? must they have divided?
V-ing perfect
must I have been dividing? must you have been dividing? must she have been dividing? must we have been dividing? must you have been dividing? must they have been dividing?
Interro-negative form
Simple form
must I not divide? must you not divide? must she not divide? must we not divide? must you not divide? must they not divide?
V-ing form
must I not be dividing? must you not be dividing? must she not be dividing? must we not be dividing? must you not be dividing? must they not be dividing?
Perfect
must I not have divided? must you not have divided? must she not have divided? must we not have divided? must you not have divided? must they not have divided?
V-ing perfect
must I not have been dividing? must you not have been dividing? must she not have been dividing? must we not have been dividing? must you not have been dividing? must they not have been dividing?