1. I have never seen them (sleeping) out. 2. I heard them (discussing) the greenhouse effect yesterday. 3. Let him (look) at this insect carefully and (name) it. 4. Don't let them (destroy) the animals' habitats. 5. They were made (to stop) nuclear tests. 6. The queen watched her ministers (join) the ceremony. 7. The holidaymakers expected the weather (to be) good. 8. We wouldn't like their team (to defeat) yours. 9. I heard him (remind) his students about the test. 10. The thieves wanted Oliver (to get) into the house through the window.