When reporting questions, use STATEMENT WORD ORDER (subject + verb), NOT question order. For WH-questions: asked + wh-word + subject + verb. For YES/NO questions: asked + IF/WHETHER + subject + verb. Tenses and pronouns change like in reported statements.
Practice tip: Step 1: WH-question or YES/NO? YES/NO = add IF/WHETHER. Step 2: Use STATEMENT order (subject + verb). Step 3: Change tenses back one step. Step 4: Change pronouns. No question mark!