Usage Examples Present Perfect vs. Present Perfect Continuous

• I have already done my homework . -
• I have just left my job. -
• There has been an accident. -
• I have never had a pet. -
• Grandma has been cooking all day. -
• Ann hasn't read this paper yet. -
• Charles has been teaching at the university since August. -
• Have you only been waiting for an hour here? -
• How long have you been sitting here? -
• What countries has John ever been to? -
• Who have you been talking to for an hour? -
• They have been studying philosophy for five years. -
• Julie has been working on this report since eight am. -
• Has Dan submitted the report yet? -
• I've seen the film you recommened me. -
• Where have I left my bag? -
• I haven't seen Lisa today. -
• I have lost my phone and I can't call you. -
• Mary has been to Canada twice. -
• What is the tastiest food you have ever tried? -