Раскройте скобки, употребляя глаголы в требующемся времени.
1. They realized that they (to lose) their way in the dark.
2. I think the weather (to be) fine next week. I hope it (not to change) for the worse.
3. I knew what he (to buy) for her birthday.
4. She thought the children (to play) in the yard.