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Sameer
How to use 'when'?
Recently, I read a sentence on Italki.
'I knew him when he worked in China about five years ago.' Is this sentence okay? I want to use only 'when' or while' in this sentence. Please give me answer.
2014年10月17日 19:25
回答 · 2
I knew him when he worked in China. ( preterite )( definite past )
I knew him while he was working in China. ( past progressive )
2014年10月17日
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