Question

forme palavras com can-flabilionde may-condiçao should-sugestão

Answer 1

Palavras ou frases? Pois can já é uma palavra e só pode virar "can't = can + not", assim como may (mayn't) e should (shouldn't).

Caso seja frases:
Can - I can go to the party tomorrow. Jessica can't because she's sick.

May - May I take your book?

Should - You should go to school today or you won't pass in the test tomorrow.