Period Five　Grammar & Writing

单元语法--Future perfect & Future continuous

用所给动词的正确形式完成课文原句

1.By the year 2015，the clothing industry will have produced(produce) new types of material that will remain stainless no matter what you spill on them.

2.By the year 2030，development in biochemistry and medical science will have made(make) it theoretically possible for us to live for at least 150 years.

3.By the middle of the century，computers that are millions of times smarter than us will have been developed(develop).

4.By the end of the century，we will have discovered(discover) other places in our solar system suitable for living.

5.I'll be there in Newcastle this weekend.At nine o'clock on Saturday morning，I will be sitting(sit) in the front row and listening to the great Professor Willard talking about the future of my brain.

　　一、将来完成时

　　1.概述

　　表示在将来某一时刻或某一行为发生之前所完成的动作或这一动作仍在持续，常用的时间状语有"by＋将来的某个时间点、when和before引导的从句等"。将来完成时由"shall/will＋have＋过去分词"构成。

　　The apples will have been eaten up before you return.你回来之前苹果将会被吃完。

　　2.用法

　　表示在将来某一时间之前已完成的动作，并往往对将来产生影响。

　　We shall have learned 12 units by the end of this term.到这个学期末，我们将学完12个单元。

　　By the time you get home，I will have cleaned the house from top to bottom.

你到家之前我将会把房子彻底打扫一遍。