Formal:
* لطفا (lotfan): This is the most common and polite way to say "please". It is used in most situations, both written and spoken.
Informal:
* خواهشاً (khowaeshan): This is a less formal way to say "please" and is commonly used among friends and family.
* خواهش می کنم (khowaeshe mikonam): This translates to "I beg you" and is a very polite way to say "please". It's often used in situations where you are asking for a big favor or are particularly grateful for something.
Other phrases with "please":
* میشه... لطفا؟ (mishe... lotfan?): This means "Could you... please?" and is used when asking someone to do something for you.
* لطفاً... (lotfan...): You can also use "lotfan" after a request, like "Open the door, please".
It's important to note:
* The more formal the situation, the more likely you are to use "lotfan".
* In casual conversation, "khowaeshan" or "khowaeshe mikonam" are more common.
Remember, the best way to learn how to use "please" in Farsi is to practice and listen to native speakers!