Usage Examples Present Perfect

• Have they forgotten us? -
• This thing has changed my life. -
• It hasn't started yet. -
• What have they achieved? -
• Have you seen my phone? -
• I have offended you! -
• You haven't eaten all day. -
• You've been very vulnerable. -
• I've never had an adventure. -
• You've bought it. -
• Have you written him? -
• You've asked the questions. -
• Have you seen my backpack? -
• I haven't taken anything! -
• I've never seen this girl. -
• He hasn't told us anything. -
• I haven't lost faith. -
• Have you seen this room? -
• We've worked too hard! -
• I have taught you. -