May i vs Please would be nice

When to use each in English, with meaning, register, and examples.

May i

FormalTop 2,000 (common)

Please would be nice

Top 2,000 (common)
Most formal: May i
 May iPlease would be nice
Pronunciation🇬🇧 //meɪ aɪ//🇺🇸 //meɪ aɪ//🇬🇧 //pliːz wʊd bi naɪs//🇺🇸 //pliːz wʊd bi naɪs//
MeaningA polite way to ask for permission.A polite way to ask for something or invite someone.
ExampleMay I leave the room now?Could you please would be nice to help me with my homework?
RegisterFormalNeutral
How commonTop 2,000 (common)Top 2,000 (common)
Collocationsmay I ask, may I suggest, may I help youPlease would be nice to know, Please would be nice if, Please would be nice to hear, Please would be nice to have
Common mistakesConfusing 'may I' with 'can I' in informal contexts, Omitting 'I' in questions, saying just 'may' instead, Using 'may I' when permission is not being askedUsing it without context, making it sound abrupt., Not capitalizing 'Please' at the beginning of a sentence., Confusing it with less formal phrases like 'Can you please...?'
Usage notesUse 'may I' in formal situations or when speaking to someone in authority. Avoid in casual conversations where 'can I' is more common.Used to make requests sound more polite, often in formal situations. Avoid using it in casual conversations.

See it in real clips

May i
Please would be nice

Frequently asked questions: May i vs Please would be nice

What's the difference between May i and Please would be nice?

May i: A polite way to ask for permission. Please would be nice: A polite way to ask for something or invite someone.

Which is more formal: May i and Please would be nice?

May i is the most formal of these.

Can you show an example of each?

May i: May I leave the room now? Please would be nice: Could you please would be nice to help me with my homework?

Can I use May i and Please would be nice interchangeably?

Not always. May i and Please would be nice are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.