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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. Tom _____ in the garden before it got dark.
2. The children _____ outside for hours before their mother called them.
3. The workers _____ properly before the manager inspected the building.
4. Which sentence is grammatically correct?
5. Choose the correct sentence with "for".
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