🔹 Lesson 21 – Intermediate
Past Perfect Continuous
زمان گذشته کامل استمراری
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1️⃣ Title
Past Perfect Continuous
زمان گذشته کامل استمراری
📌 سطح: Intermediate | کاربرد: بیان عملی که قبل از زمان یا عمل گذشتهای دیگر در حال انجام بوده است
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2️⃣ Why do we use it? (چرا استفاده میکنیم؟)
زمان گذشته کامل استمراری برای:
1. بیان مدت زمان عملی که قبل از یک زمان گذشته دیگر اتفاق افتاده
2. تاکید بر طول مدت فعالیت یا روند آن
3. توضیح علت یا زمینه یک اتفاق در گذشته
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3️⃣ Explanation (توضیح فارسی ساده)
🔹 Structure (ساختار)
Subject + had been + verb + ing
Examples:
I had been studying for two hours before he arrived.
من دو ساعت قبل از رسیدن او مشغول درس خواندن بودم.
She had been working at the company for five years before she got promoted.
او پنج سال قبل از ارتقا در شرکت کار میکرد.
They had been waiting for an hour when the bus finally came.
آنها یک ساعت منتظر بودند که سرانجام اتوبوس آمد.
نکته: تمرکز روی مدت زمان فعالیت است.
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4️⃣ Examples (مثال با ترجمه)
I had been reading the book for a week before I finished it.
من یک هفته کتاب را میخواندم قبل از اینکه تمامش کنم.
He had been running for an hour when it started to rain.
او یک ساعت میدوید که باران شروع شد.
We had been planning the trip for months before we actually went.
ما ماهها سفر را برنامهریزی کرده بودیم قبل از اینکه واقعاً برویم.
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5️⃣ Common Persian Mistakes 🚫
❌ I was studying for two hours before he arrived → تاکید بر مدت زمان نیست
✅ I had been studying for two hours before he arrived.
❌ She worked at the company for five years before promotion → بدون استمراری
✅ She had been working at the company for five years before promotion.
❌ They had waited for an hour → بدون تاکید بر مدت زمان
✅ They had been waiting for an hour.
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6️⃣ Quick Practice
1. جمله درست بساز:
I / study / 3 hours / before / class → ______
✅ I had been studying for 3 hours before class.
2. جمله با work بساز:
She / work / 2 years / before / promotion → ______
✅ She had been working for 2 years before promotion.
3. جمله با wait بساز:
They / wait / 30 minutes / bus → ______
✅ They had been waiting for 30 minutes when the bus arrived.
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7️⃣ Summary Box
✔ Structure → had been + verb + ing
✔ Use → بیان مدت زمان عملی قبل از عمل گذشته دیگر، تاکید بر روند فعالیت
✔ اشتباه رایج → استفاده از گذشته ساده یا گذشته کامل بدون استمراری، حذف تاکید بر مدت زمان