将来进行时：
1．构成：shall / will be + 现在分词
2．功能：
⑴表示将来某个时刻正在进行的动作：
?. What will you be doing this time tomorrow?
〖比较：〗
?. Tom won't cut the grass because he is afraid of being tired.（说明意图）
?. Tom won't be cutting the grass.（无意图、仅陈述事实）
⑵用将来进行时询问别人的计划、打算比用一般将来时更显礼貌 。
?. Will you be having supper with us this evening?
⑶将来进行时表示对即将发生的动作的推测。
?. She will be arriving at Shanghai tomorrow morning.
?. The car will be going at the speed of 100 miles an hour.
过去将来进行时：
1．构成：should / would be + 现在分词
2．功能：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