I must elongate you must elongate he must elongate we must elongate you must elongate they must elongate
V-ing form
I must be elongating you must be elongating he must be elongating we must be elongating you must be elongating they must be elongating
Perfect
I must have elongated you must have elongated he must have elongated we must have elongated you must have elongated they must have elongated
V-ing perfect
I must have been elongating you must have been elongating he must have been elongating we must have been elongating you must have been elongating they must have been elongating
Negation
Simple form
I must not elongate you must not elongate he must not elongate we must not elongate you must not elongate they must not elongate
V-ing form
I must not be elongating you must not be elongating he must not be elongating we must not be elongating you must not be elongating they must not be elongating
Perfect
I must not have elongated you must not have elongated he must not have elongated we must not have elongated you must not have elongated they must not have elongated
V-ing perfect
I must not have been elongating you must not have been elongating he must not have been elongating we must not have been elongating you must not have been elongating they must not have been elongating
Interrogative form
Simple form
must I elongate? must you elongate? must he elongate? must we elongate? must you elongate? must they elongate?
V-ing form
must I be elongating? must you be elongating? must he be elongating? must we be elongating? must you be elongating? must they be elongating?
Perfect
must I have elongated? must you have elongated? must he have elongated? must we have elongated? must you have elongated? must they have elongated?
V-ing perfect
must I have been elongating? must you have been elongating? must he have been elongating? must we have been elongating? must you have been elongating? must they have been elongating?
Interro-negative form
Simple form
must I not elongate? must you not elongate? must he not elongate? must we not elongate? must you not elongate? must they not elongate?
V-ing form
must I not be elongating? must you not be elongating? must he not be elongating? must we not be elongating? must you not be elongating? must they not be elongating?
Perfect
must I not have elongated? must you not have elongated? must he not have elongated? must we not have elongated? must you not have elongated? must they not have elongated?
V-ing perfect
must I not have been elongating? must you not have been elongating? must he not have been elongating? must we not have been elongating? must you not have been elongating? must they not have been elongating?