Usage Examples Present Perfect vs. Present Perfect Continuous

• I've been reading the book you gave me for two weeks. -
• I have been writing emails for three hours. -
• Charles has been teaching at the university since August. -
• My sister has not come back yet. -
• I have lost my phone and I can't call you. -
• They have been studying philosophy for five years. -
• Who have you been talking to for an hour? -
• I have already done my homework . -
• How long has Nataly been calling you? -
• What is the tastiest food you have ever tried? -
• Julie has been working on this report since eight am. -
• They have never met Alex. -
• Have they ever been to Scotland? -
• Mary and Jane have been travelling since July. -
• I have never had a pet. -
• Has your cousin graduated from the university yet? -
• Recently Josh hasn't been doing the work. -
• Has Dan submitted the report yet? -
• Ann hasn't read this paper yet. -
• Have you only been waiting for an hour here? -