How you use tentavie in a sentence?

1. It is important to have a tentative plan in place in case of emergencies.

2. I made a tent tentative reservation for the hotel, but I can't confirm it until next week.

3. The weather forecast is tentative, but it looks like we might have a chance of rain this afternoon.

4. The company's growth plans are still tentative, but they are hoping to expand into new markets next year.

5. The scientist's theory is tentative, but it has some interesting implications that could change the way we think about the universe.