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Quiz · english-quiz

Past Perfect Continuous

แบบทดสอบ Past Perfect Continuous Tense จำนวน 50 ข้อ ฝึกใช้ had been + V-ing เพื่ออธิบายเหตุการณ์ที่ดำเนินต่อเนื่องก่อนจุดเวลาหนึ่งในอดีต

1. She _____ for three hours before her friend arrived.
2. The children _____ outside for hours before their mother called them.
3. I _____ for the exam, so I felt unprepared.
4. _____ you been working here before you changed jobs?
5. Choose the correct -ing form of "begin".
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