0The first tells what you will do -- in a sort of abstract way. 02br 02br 00The second describes what you will be (in the process of) doing. This invites the listener to think of each moment in the waiting period as it happens.
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01cite10Osee12cite10Hi CalifJim,12br10 I don't think it's that extreme. 0-
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10According to what you said, may I understand the second this way: I am sitting beside the phone waiting for your call; I expect you will call me as soon as possible.12br
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01cite10Philip12cite11blockquote11cite20Osee22cite22br
20Hi CalifJim,22br
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01cite10Tanit12cite10CJ's explanation is great.12blockquote10 Thanks, Tanit! I think I hit the high points, even though my explanation is not as extensive as the one from the BBC, which elaborates on the difference a bit more, and emphasizes the constantness or continuity conveyed by the progressive form.02br