when will she be leaving和when will she leaves有什么不一样

请问“when will she be back”的句子成分都是什么 she will be a singer when she grows up she will be a singer when she什么（grow的什么形式）up When will she come back? When will she come back 英语大神速速来when will she come 和 when will the 2008 Olympics be h When will you be arriving 和When will you arrive 有什么区别 What will Linda be like when she is 25? She_________________ When will your sister____?Next Sunday.She will_____Bob A.be Mary will be good-looking when she is 25 I wonder when she will be back成分划分 she will be back 和she will back 有什么不同,这什么