Put the verbs in brackets into Past Perfect or Past Perfect Continuous 1. He ( walk) for an hour before he reached the cabin. 2. She was tired because she (not/sleep) the previous night. 3. Greg (look) for his book for two hours before he found it. 4. They were lost because they ( not/take) a map with them, 5. He (work) since morning on his computer and his eyes are red.