Usage Examples Present Perfect vs. Present Perfect Continuous

• I have already done my homework . -
• Where have I left my bag? -
• There has been an accident. -
• I haven't been playing hockey for a long time. -
• We haven't been to Sweden yet. -
• I have been writing emails for three hours. -
• I haven't seen Lisa today. -
• Has Dan submitted the report yet? -
• My sister has not come back yet. -
• Why have we been waiting for her for forty minutes? -
• I have been working here for three months. -
• Recently Josh hasn't been doing the work. -
• How long have you been sitting here? -
• Who have you been talking to for an hour? -
• Mary and Jane have been travelling since July. -
• Luke has written four books. -
• Have you been reading this paper for two hours? -
• Has your cousin graduated from the university yet? -
• My best friend hasn't been talking to me for a week. -
• They have been waiting for us for thirty minutes. -