Past Perfect Continuous Tense, geçmişte bir eylemin başladığını ve geçmişte yaşanan başka bir eyleme kadar devam ettiğini ifade etmek için kullanılır.
v 1.They were talking (for an hour), [A1] 2. Then Tony arrived[A2]
They had been talking for an hour before Tony arrived[A3] .
v She had been working at that company for three years when she got married[A4] .
v James had been teaching at the University for more than a year before he left for Asia[A5] .
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Bu zaman ayrıca yaşanan bir eylem veya durumun sebebini belirtirken kullanılır.
v Jason was tired because he had been jogging[A6] .
v Sam gained weight because he had been overeating[A7] .
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"for five minutes," "for two weeks" , "since Friday" gibi ifadeler kullanılmadığında Simple Past Continuous daha sık kullanılır.
v I was reading when my roommate returned[A8] .(vurgulanan okumamın kesilmesi)
v I had been reading for an hour when my roommate returned[A9] . (vurgulanan okuma süresi )