Usage Examples Present Perfect vs. Present Perfect Continuous

• There has been an accident. -
• Why has nobody taken our order yet? -
• Erica has not been listening to you all this time. -
• I haven't been playing hockey for a long time. -
• You are all sweaty! What have you been doing? -
• I haven't seen Lisa today. -
• Has Max been exercising lately? He looks great! -
• Mary has been to Canada twice. -
• I have been writing emails for three hours. -
• Have you ever met Helen? -
• My sister has not come back yet. -
• Has Ruth ever cooked for you? -
• Has your cousin graduated from the university yet? -
• They have been waiting for us for thirty minutes. -
• Mary and Jane have been travelling since July. -
• Has your mother been jogging? She looks fit! -
• I have been working here for three months. -
• Charles has been teaching at the university since August. -
• I've seen the film you recommened me. -
• How long have you been sitting here? -