Usage Examples Present Perfect vs. Present Perfect Continuous

• I haven't been swimming since May. -
• What is the tastiest food you have ever tried? -
• I have just left my job. -
• I have already cooked the dinner. -
• Luke has written four books. -
• They have been waiting for us for thirty minutes. -
• Why have we been waiting for her for forty minutes? -
• I have already done my homework . -
• You are all sweaty! What have you been doing? -
• They have been studying philosophy for five years. -
• Grandma has been cooking all day. -
• We haven't been to Sweden yet. -
• My sister has not come back yet. -
• Has your mother been jogging? She looks fit! -
• I have been writing emails for three hours. -
• Ann hasn't read this paper yet. -
• They have never met Alex. -
• I haven't seen Lisa today. -
• My husband has started a new painting this week. -
• Mary and Jane have been travelling since July. -