I must enlarge you must enlarge she must enlarge we must enlarge you must enlarge they must enlarge
V-ing form
I must be enlarging you must be enlarging she must be enlarging we must be enlarging you must be enlarging they must be enlarging
Perfect
I must have enlarged you must have enlarged she must have enlarged we must have enlarged you must have enlarged they must have enlarged
V-ing perfect
I must have been enlarging you must have been enlarging she must have been enlarging we must have been enlarging you must have been enlarging they must have been enlarging
Negation
Simple form
I must not enlarge you must not enlarge she must not enlarge we must not enlarge you must not enlarge they must not enlarge
V-ing form
I must not be enlarging you must not be enlarging she must not be enlarging we must not be enlarging you must not be enlarging they must not be enlarging
Perfect
I must not have enlarged you must not have enlarged she must not have enlarged we must not have enlarged you must not have enlarged they must not have enlarged
V-ing perfect
I must not have been enlarging you must not have been enlarging she must not have been enlarging we must not have been enlarging you must not have been enlarging they must not have been enlarging
Interrogative form
Simple form
must I enlarge? must you enlarge? must she enlarge? must we enlarge? must you enlarge? must they enlarge?
V-ing form
must I be enlarging? must you be enlarging? must she be enlarging? must we be enlarging? must you be enlarging? must they be enlarging?
Perfect
must I have enlarged? must you have enlarged? must she have enlarged? must we have enlarged? must you have enlarged? must they have enlarged?
V-ing perfect
must I have been enlarging? must you have been enlarging? must she have been enlarging? must we have been enlarging? must you have been enlarging? must they have been enlarging?
Interro-negative form
Simple form
must I not enlarge? must you not enlarge? must she not enlarge? must we not enlarge? must you not enlarge? must they not enlarge?
V-ing form
must I not be enlarging? must you not be enlarging? must she not be enlarging? must we not be enlarging? must you not be enlarging? must they not be enlarging?
Perfect
must I not have enlarged? must you not have enlarged? must she not have enlarged? must we not have enlarged? must you not have enlarged? must they not have enlarged?
V-ing perfect
must I not have been enlarging? must you not have been enlarging? must she not have been enlarging? must we not have been enlarging? must you not have been enlarging? must they not have been enlarging?