Usage Examples Present Perfect vs. Present Perfect Continuous

• Has Ruth ever cooked for you? -
• Who have you been talking to for an hour? -
• Charles has been teaching at the university since August. -
• I have been writing emails for three hours. -
• I've been reading the book you gave me for two weeks. -
• Has your mother been jogging? She looks fit! -
• How long have you been sitting here? -
• My sister has not come back yet. -
• How many pages have you written today? -
• Where have I left my bag? -
• What is the tastiest food you have ever tried? -
• They have been waiting for us for thirty minutes. -
• Ann hasn't read this paper yet. -
• Have you only been waiting for an hour here? -
• Luke has written four books. -
• There has been an accident. -
• Mary and Jane have been travelling since July. -
• Have you been reading this paper for two hours? -
• Erica has not been listening to you all this time. -
• I have lost my phone and I can't call you. -