puede yo decirle algo? Is this correct?
Is this the correct way of asking 'can I tell you something''
Thank-you to anyone that can help.
¿Puedo yo decirle algo?
Now it is correct. As a general rule, don't use "yo", "tú",... They are not optional. They are unacceptable in both written and spoken language. Once your Spanish is fluent, you'll learn the few exceptional cases where you can use them... with a purpose, but for the moment, you must avoid them.
And the tenses go like this: