Be polite and professional. When you ask for an extension, be sure to be polite and professional. Address your professor by their title and use respectful language.
Have a good reason. Be prepared to explain why you need an extension. If you have a legitimate reason, such as a personal or family emergency,
Offer a plan. In addition to asking for an extension, be sure to offer a plan for how you will complete the assignment.
Be willing to compromise. If your professor is hesitant to grant you an extension, be willing to compromise.
Follow up. After you have asked for an extension, be sure to follow up with your professor to confirm the agreement.
Take responsibility. If you need an extension, take responsibility for your situation. Don't blame your professor or make excuses.
How To Ask For An Extension on an Assignment