Usage Examples Present Perfect vs. Present Perfect Continuous

• My best friend hasn't been talking to me for a week. -
• I have been working here for three months. -
• Mary has been to Canada twice. -
• Have you ever met Helen? -
• Erica has not been listening to you all this time. -
• My husband has started a new painting this week. -
• Charles has been teaching at the university since August. -
• Why has nobody taken our order yet? -
• Mary and Jane have been travelling since July. -
• My sister has not come back yet. -
• Has your mother been jogging? She looks fit! -
• Where have I left my bag? -
• How many pages have you written today? -
• I haven't been swimming since May. -
• There has been an accident. -
• Has Ruth ever cooked for you? -
• They have been studying philosophy for five years. -
• How long has Nataly been calling you? -
• I haven't seen Lisa today. -
• I've been reading the book you gave me for two weeks. -