Shazia had opened the door before we-------------.

Shazia had opened the door before we-------------.

Explanation
  • Shazia had opened the door before we arrived
  • شازیہ ہمارے پہنچنے سے پہلے دروازہ کھول چکی تھی۔
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  • Arrived is best to keep the meaning of the original sentence.
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  • past tense and past participle form is had, so we use the second form of the verb "arrived"
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  • he/she/it         arrives
  • present participle  arriving
  • past tense         arrived
  • past participle arrived
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