(2). By the year of 2052, they ________the secret of AIDS.

A have discovered B will have discovered

C will be discovering D will discover

(3). If I had a lot of time, I ___________around the world.

A will travel B would travel

C will have traveled D had traveled

(4). If you hadn't helped me yesterday, I ________________my work.

A wouldn't finish B. wouldn't have finished

C hadn't finished D shouldn't have finished

A. To say something about past perfect future

B. To sum up the usage of the future

时态 形式 用法

一般将来时 will/shall do, 将要发生的动作或出现的状态

　　　　　　be going to, be(about)to

将来进行时 will be doing 将来某时正在进行的状态或动作，

将来完成时 will have done 将来某一时之前已经完成的动作

过去将来时 would do/

　　　　　 was going to 从过去某一时间看来将要发生的

　　　　　　　/was(about) to 动作或存在的状态

过去将来完成时would have done 与过去事实相反的虚拟语气

C. To sing a song (optional )

Step 6. Homework

A English Weekly (No30)

B Write a short passage to make predictions about you and your classmates in ten years' time, using the new grammar we have learned today.