初中英语时态了解——将来完成进行时

　　初中英语时态了解——将来完成进行时 future perfect continuous tense

　　将来完成进行时表示动作从将来的某一时间开始一直延续到将来某一时间，主要结构是shall have been doing和will have been doing

　　【例】By the end of next month, they will have been married 30 years. 下个月末是他们的结婚30周年纪念。