Usage Examples Present Perfect vs. Present Perfect Continuous

• Luke has written four books. -
• I have already done my homework . -
• What is the tastiest food you have ever tried? -
• Mary and Jane have been travelling since July. -
• Grandma has been cooking all day. -
• Who have you been talking to for an hour? -
• How long have you been sitting here? -
• Have you been crying? Your eyes are red. -
• Charles has been teaching at the university since August. -
• I haven't seen Lisa today. -
• Has your mother been jogging? She looks fit! -
• I haven't been playing hockey for a long time. -
• Jack has been decorating the house all summer. -
• They have been waiting for us for thirty minutes. -
• Has Dan submitted the report yet? -
• I have been working here for three months. -
• Mary has been to Canada twice. -
• They have never met Alex. -
• There has been an accident. -
• Have you only been waiting for an hour here? -