What are some common prepositions used in expressing condition and possibility in relation to nouns?

Some common prepositions used in expressing condition and possibility in relation to nouns are:

1. If: This preposition is used to express a condition or possibility. For example, "If it rains, we will stay indoors."

2. Unless: This preposition is used to express a condition that must be met for something to happen. For example, "We won't go to the park unless it stops raining."

3. Provided (that): This preposition is used to express a condition that must be fulfilled for something to occur. For example, "You can borrow my car provided that you return it by tomorrow."

4. In case (that): This preposition is used to express a condition that is anticipated or prepared for. For example, "Take an umbrella in case it rains."

5. Whether: This preposition is used to express a condition where there are two or more possibilities. For example, "I don't know whether he will come or not."

6. Suppose (that): This preposition is used to express a hypothetical or imagined condition. For example, "Suppose you win the lottery, what would you do?"

7. As long as: This preposition is used to express a condition that must be met for something to continue or be true. For example, "You can stay out late as long as you finish your homework."

8. In the event (that): This preposition is used to express a condition that may happen in the future. For example, "In the event that the flight is delayed, we will provide accommodation."

9. On the condition (that): This preposition is used to express a condition that must be agreed upon for something to happen. For example, "I will lend you money on the condition that you pay me back next month."

10. In the eventuality (that): This preposition is used to express a condition that is considered possible or likely to happen. For example, "We have prepared a backup plan in the eventuality that the main system fails."

These are just a few examples of common prepositions used in expressing condition and possibility in relation to nouns. There are many more prepositions that can be used in different contexts to convey similar meanings.