0 01blockquote 01cite 10Goshawk12cite 10Could you tell me the difference and how to use these words in different situtation? 12blockquote 11b 01font 00I use them02font 01font 00 differently in various past tenses. In some cases "when/where" are interchangeable.
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01cite10Goshawk12cite10Could you tell me the difference and how to use these words in different situtation? Thanks in advance!12blockquote11b01font00I use them02font01font00 differently in various past tenses. In some cases "when/where" are in
01cite10Goshawk12cite12br
10ok, here are some examples. I'm not sure whether they are correct or not:12br
12br
101. I was cooking when he knocked 11b11font10at/on12font12b10 my door. Could I say "I was cooking while/as he knocked my door", why or why