Usage Examples Present Perfect vs. Present Perfect Continuous

• Recently Josh hasn't been doing the work. -
• I haven't seen Lisa today. -
• I have lost my phone and I can't call you. -
• Mary and Jane have been travelling since July. -
• My sister has not come back yet. -
• Charles has been teaching at the university since August. -
• Has Dan submitted the report yet? -
• I have been writing emails for three hours. -
• They have been waiting for us for thirty minutes. -
• Luke has written four books. -
• I have been working here for three months. -
• There has been an accident. -
• I haven't been swimming since May. -
• Where have I left my bag? -
• Who have you been talking to for an hour? -
• Have you ever met Helen? -
• Mary has been to Canada twice. -
• Grandma has been cooking all day. -
• Has Max been exercising lately? He looks great! -
• They have been studying philosophy for five years. -