Quando eu uso "may" expressando duvida? Pode me explicar quando uso "may" e nao posso usar "can" ao inves?

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O que sao os verbos modais em inglês? Por que eles sao diferentes dos outros verbos?
Nayane Bremm
How do you say "American", as in someone (or something) from the United States, in Spanish?
Nayane Bremm
What is the difference between the nominative personal pronoun and the personal pronoun? When do we use the personal pronoun?
Nayane Bremm
Why does it seem like Portuguese uses definite articles more often than other languages like Spanish and English?
Nayane Bremm
How do I know when to use Akkusativ and when to use Dativ? Is there a rule?
Nayane Bremm
¿Cuál es la diferencia entre “Gute nacht”, “Guten abend” y “Gutenachmittag”?
Nayane Bremm
What's the difference between "du" and "Sie"?
Nayane Bremm
¿Cuál es la différencia entre "lastname" o "surname"?
Nayane Bremm
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