Usage Examples Present Perfect vs. Present Perfect Continuous

• They have been waiting for us for thirty minutes. -
• What countries has John ever been to? -
• Mary has been to Canada twice. -
• Has your cousin graduated from the university yet? -
• Ann hasn't read this paper yet. -
• Charles has been teaching at the university since August. -
• What is the tastiest food you have ever tried? -
• How long have you been sitting here? -
• I have already cooked the dinner. -
• You are all sweaty! What have you been doing? -
• Erica has not been listening to you all this time. -
• I have just left my job. -
• Jack has been decorating the house all summer. -
• Has your mother been jogging? She looks fit! -
• Mary and Jane have been travelling since July. -
• I have already done my homework . -
• How many pages have you written today? -
• I haven't been swimming since May. -
• I haven't seen Lisa today. -
• Have you only been waiting for an hour here? -