Looking on the internet deeply has found these results:

can i sit here? is the most popular phrase on the web.

may i sit here? 1132,000 results on the web	can i sit here? 1699,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
May I sit here? May I sit here? Excuse me, may I sit here? Boogie... may I sit here? May I sit here? May I sit here?	You mind if I sit Can I sit here? Can I sit here a little while? What do I have to buy so I can sit here all day? Do you mind if I sit here? Paul, the floor is yours. sit here? Go away if I predict about what you seek, can I sit here then?

may i sit here?

1132,000 results on the web

can i sit here?

1699,000 results on the web

More popular!