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

KEYS

1. B    2. C    3. C    4. B    5. C