Usage Examples Present Perfect

• I've made some mistakes! -
• We haven't left the camp. -
• Have they closed it? -
• We have recognized you! -
• I have given the letters. -
• I haven't worked for a year -
• My father has told me. -
• You've warned me. -
• You've never met this guy. -
• He hasn't known me long. -
• I've never seen the show. -
• Have you seen your girlfriend? -
• You haven't heard anything -
• You've asked the right question. -
• It has been a hard task. -
• Have you seen the roof? -
• He hasn't decided yet. -
• I've never played golf. -
• Have you considered the device? -
• What have I learned? -