Usage Examples Present Perfect vs. Present Perfect Continuous

• What countries has John ever been to? -
• I have been working here for three months. -
• I have never had a pet. -
• I have already cooked the dinner. -
• Ann hasn't read this paper yet. -
• I have just left my job. -
• They have never met Alex. -
• Erica has not been listening to you all this time. -
• How long have you been sitting here? -
• I haven't seen Lisa today. -
• My husband has started a new painting this week. -
• Charles has been teaching at the university since August. -
• There has been an accident. -
• Recently Josh hasn't been doing the work. -
• You are all sweaty! What have you been doing? -
• Who have you been talking to for an hour? -
• I have already done my homework . -
• Has your cousin graduated from the university yet? -
• Why have we been waiting for her for forty minutes? -
• I haven't been swimming since May. -