Usage Examples Present Perfect vs. Present Perfect Continuous

• There has been an accident. -
• How long have you been sitting here? -
• What is the tastiest food you have ever tried? -
• They have never met Alex. -
• Why has nobody taken our order yet? -
• Have you only been waiting for an hour here? -
• They have been studying philosophy for five years. -
• I have already cooked the dinner. -
• Mary and Jane have been travelling since July. -
• Has Ruth ever cooked for you? -
• I have never had a pet. -
• We haven't been to Sweden yet. -
• Jack has been decorating the house all summer. -
• I have lost my phone and I can't call you. -
• Where have I left my bag? -
• My husband has started a new painting this week. -
• Charles has been teaching at the university since August. -
• I have been working here for three months. -
• Erica has not been listening to you all this time. -
• I have been writing emails for three hours. -