过去将来进行时：should / would be + 现在分词

　　表示从过去某时看将来某时正在进行的动作。

　　. He asked me what I should be doing when he came the next day.

　　测试精编：

　　1. Tomorrow, I ________ the book all morning.

　　A. am reading B. will be reading

　　C. will read D. have read

　　2. -"Can you attend the meeting tonight?" -"No, ________ the manager about something urgent."

　　A. I see B. I'll have seen

　　C. I'll be seeing D. I can see

　　3. Of the millions who saw Haley's comet in 1986, how many people ________ long enough to see it return in the twenty-first century?

　　A. will they live B. they will be living

　　C. will live D. living

　　4. He told us that he ________ visiting Japan by this time next year.

　　A. will be B. would be

　　C. was D. is

　　5. It ________ when you wake up tomorrow morning.

　　A. is snowing B. will snow C. will be snowing D. snows

　　1. B 2. C 3. C 4. B 5. C