搬到柏林之前，她已经在巴黎住了三年。
She had been living in Paris for three years before she moved to Berlin.
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had英 /hæd/|美 /hæd/
been英 /biːn/|美 /bɪn/
living英 /ˈlɪvɪŋ/|美 /ˈlɪvɪŋ/
解释
had been living 是过去完成进行时，强调在「搬到柏林」之前一直在巴黎居住的持续状态。
She had been living in Paris for three years before she moved to Berlin.
had been living 是过去完成进行时，强调在「搬到柏林」之前一直在巴黎居住的持续状态。