Usage Examples Present Perfect vs. Present Perfect Continuous

• I have lost my phone and I can't call you. -
• My sister has not come back yet. -
• I have been writing emails for three hours. -
• Ann hasn't read this paper yet. -
• I have been working here for three months. -
• What countries has John ever been to? -
• I've seen the film you recommened me. -
• Mary and Jane have been travelling since July. -
• Erica has not been listening to you all this time. -
• Grandma has been cooking all day. -
• Has your cousin graduated from the university yet? -
• They have been waiting for us for thirty minutes. -
• Where have I left my bag? -
• They have been studying philosophy for five years. -
• My best friend hasn't been talking to me for a week. -
• I've been reading the book you gave me for two weeks. -
• I have just left my job. -
• Why have we been waiting for her for forty minutes? -
• Luke has written four books. -
• Who have you been talking to for an hour? -