1. To present alternative options:
* "Would you like tea or coffee?"
* "You can go to the park or the beach."
* "He's either at work or at home."
2. To indicate a choice between two possibilities:
* "You can have a cookie or a piece of cake."
* "The answer is either yes or no."
* "I'm not sure if she's coming or not."
3. To express a conditional relationship:
* "If you're hungry, you can have a sandwich or a salad."
* "You can use a regular spoon or a fork."
4. To join two sentences that have similar meanings:
* "She's tired, or maybe she's just bored."
* "They're leaving now, or they'll miss their flight."
5. To indicate a lack of certainty:
* "I'm not sure what happened, but he's either hurt or scared."
* "They might be at the library or the museum."
Remember:
* "Or" is always used when presenting alternatives.
* "Or" can be used to express a lack of certainty.
* "Or" can be used to indicate a choice between two possibilities.
Important Note: "Or" can also be used in other, more nuanced ways in specific contexts. However, these are the main ways that "or" is used as a conjunction.