What does this mean? Some stranger sent this to me. Hallo, morgen ist dein Glückstag! Sie können nicht nach draußen gehen, weil es regnen wird! Habe Spaß!

15 can someone translate this paragraph to german? (i created all and the incident went so complicated so most of them might not be senseful but the only important thing is translating not harmony of the text.)

Teach some german. if anyone could teach me some german that would be great, i’m considering taking a german course and wanted to know some basics first. all is appreciated; )

How would you finish this statement? ich möchte mich für den debattierclub anmelden. wenn ich nur gutes deutsch sprechen hätte wäre sollte könnte