Перефразируйте придаточные предложения, употребляя, где возможно Participle. 1.After he had given all the explanations

1. Having given all the explanations of the incident he thought they would leave him in peace.

3. Having arrived a little earlier, they were now in no hurry to enter the building.

Перефразировать предложения 2 и 4 с использованием Participle невозможно.