Professional reply
I am writing to request a short extension for [assignment]. Due to [brief reason], I may not be able to submit work of the expected quality by [date]. Would submission by [new date] be possible?
Education
Request a Deadline Extension
Clear, accountable messages asking for more time. Choose the tone that fits your situation, then copy and personalize it.
Responsible reply
I understand the deadline and take responsibility for planning my work. An unexpected situation has affected my progress, and I would be grateful for an extension until [date].
Short reply
Would it be possible to extend the deadline for [assignment] to [date]? I apologize for the inconvenience and appreciate your consideration.
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Polite responses to praise or encouragement from a teacher.
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Accept, request time, or ask questions about admission.