Usage Examples Present Perfect vs. Present Perfect Continuous

• They have been studying philosophy for five years. -
• I have just left my job. -
• Have you ever met Helen? -
• We haven't been to Sweden yet. -
• I have been writing emails for three hours. -
• How long has Nataly been calling you? -
• There has been an accident. -
• Have they ever been to Scotland? -
• What is the tastiest food you have ever tried? -
• How many pages have you written today? -
• I have already cooked the dinner. -
• My husband has started a new painting this week. -
• My sister has not come back yet. -
• Has Max been exercising lately? He looks great! -
• Luke has written four books. -
• Charles has been teaching at the university since August. -
• Have you only been waiting for an hour here? -
• I haven't been swimming since May. -
• My best friend hasn't been talking to me for a week. -
• Has Ruth ever cooked for you? -