九点之前我将已经完成这篇作文了。

　　When we get to the railway station, the train will probably have left.

　　当我们到达火车站时，火车可能已经开走了。

　　3．类型

　　(1)系表型：shall/will have been＋表语

　　表示某事继续到将来某一时间为止一直存在的状态。

　　The old couple will have been married for 40 years by the end of the month.

　　到这个月末这对老夫妇结婚就有40年了。

　　(2)动词型：shall/will have＋过去分词

　　表示到将来某一时刻已经完成的动作。

　　By the end of this month, we shall have completed the project.

　　我们将在本月月底前完成这项工程。

　　(3)被动结构：shall/will have been＋过去分词

　　表示到将来某一时刻已经被完成的动作。

　　The bridge will have been finished by the end of 2018.

　　到2018年末这座桥就竣工了。

　　[名师点津]　by the time/by the end接将来时间，主句就用将来完成时；若接过去时间，主句就用过去完成时。在时间和条件状语从句中，将来完成时则由现在完成时表示。

　　The children will do their homework by the time they have arrived back from school.

　　孩子们放学后回到家就开始做作业。

　　[即时演练1]　用所给词的适当形式填空

　　①(天津高考改编)On her next birthday, Ann will_have_been married for twenty years.

　　②I intend to go to college after I have_completed (complete) my high school.

　　③The film will_have_been (be) on for nearly an hour when you get to the cinema.

　　④I am sure he will_have_left (leave) Paris by this time tomorrow.

　　⑤I hope we will_have_got (get) all the information before you come tomorrow.

二、将来进行时