0Hi,02br 02br 00Let's assume that you speak at 1pm and 'it' becomes available at 3pm.02br 02br 01font00"let me know when it is available"02font00 I'd expect you to say to me, at 3pm, 'It's available now'.02br 02br 01font00"let me know when it will be available"02font
0 Yes. You may say either one.02br 00 "when" is not used with "will" when it specifies the time at which something happens or should happen.02br 00 "when" can be used with "will" (or without "will") in indirect questions.02br 02br 00 Therefore, in the reading of "at the time it happens",02br 02br 01i00 Let me know when i