Usage Examples Present Perfect vs. Present Perfect Continuous

• You are all sweaty! What have you been doing? -
• I haven't been playing hockey for a long time. -
• Why have we been waiting for her for forty minutes? -
• There has been an accident. -
• I haven't been swimming since May. -
• They have been studying philosophy for five years. -
• I have already cooked the dinner. -
• I've seen the film you recommened me. -
• Has Dan submitted the report yet? -
• Have they ever been to Scotland? -
• Grandma has been cooking all day. -
• Has your cousin graduated from the university yet? -
• How long have you been sitting here? -
• My best friend hasn't been talking to me for a week. -
• Have you been reading this paper for two hours? -
• My sister has not come back yet. -
• Where have I left my bag? -
• What is the tastiest food you have ever tried? -
• Have you ever met Helen? -
• I have been writing emails for three hours. -