Usage Examples Present Perfect vs. Present Perfect Continuous

• Has Dan submitted the report yet? -
• Julie has been working on this report since eight am. -
• Has your cousin graduated from the university yet? -
• Have you been reading this paper for two hours? -
• Have you only been waiting for an hour here? -
• Why has nobody taken our order yet? -
• I have already cooked the dinner. -
• How long has Nataly been calling you? -
• Charles has been teaching at the university since August. -
• I've been reading the book you gave me for two weeks. -
• Has Max been exercising lately? He looks great! -
• Who have you been talking to for an hour? -
• Why have we been waiting for her for forty minutes? -
• Have they ever been to Scotland? -
• I have never had a pet. -
• Jack has been decorating the house all summer. -
• They have been waiting for us for thirty minutes. -
• We haven't been to Sweden yet. -
• Has Ruth ever cooked for you? -
• Have you ever met Helen? -