1. was raining. 2. Had been raining. 3. Has spent. 4. Was having. 5. Had been trying, hadn't managed. 6. Was snowing, had been snowing, had covered. 7. Were running and screaming, had knocked, had drawn. 8. Had set, was waiting, had been waiting. 9. Had broken, had dropped, had climbed.
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1. was raining. 2. Had been raining. 3. Has spent. 4. Was having. 5. Had been trying, hadn't managed. 6. Was snowing, had been snowing, had covered. 7. Were running and screaming, had knocked, had drawn. 8. Had set, was waiting, had been waiting. 9. Had broken, had dropped, had climbed.