Usage Examples Present Perfect vs. Present Perfect Continuous

• I've seen the film you recommened me. -
• I have been writing emails for three hours. -
• Erica has not been listening to you all this time. -
• How long have you been sitting here? -
• Have you been reading this paper for two hours? -
• Why have we been waiting for her for forty minutes? -
• Have you been crying? Your eyes are red. -
• I have never had a pet. -
• They have never met Alex. -
• There has been an accident. -
• How many pages have you written today? -
• Why has nobody taken our order yet? -
• I've been reading the book you gave me for two weeks. -
• I haven't been swimming since May. -
• Mary and Jane have been travelling since July. -
• Jack has been decorating the house all summer. -
• Have you ever met Helen? -
• Who have you been talking to for an hour? -
• Has Ruth ever cooked for you? -
• What is the tastiest food you have ever tried? -