Here are some key characteristics of request sentences:
* They often use modal verbs like:
* Could you...
* Would you mind...
* May I...
* Can you...
* Please...
* They can be phrased in a direct or indirect way.
* Direct: "Please pass me the salt."
* Indirect: "Would you mind passing me the salt?"
* They often include a polite tone and may use expressions like:
* "Please"
* "Thank you"
* "If you don't mind"
* "I would be grateful if..."
Examples of request sentences:
* Could you please close the window?
* Would you mind handing me that book?
* May I borrow your pen for a moment?
* Can you tell me the time, please?
* I would appreciate it if you could answer this question.
Remember: The tone and wording of a request sentence can greatly influence its effectiveness. Being polite and respectful is essential when making requests.