Usage Examples Present Perfect

• We haven't changed anything. -
• What have I accomplished? -
• I have interrupted you. -
• Have you finished it? -
• You have not seen this sunset. -
• Have you notified the police? -
• They've changed me. -
• You've guessed it! -
• Have you considered my offer? -
• I have protected her. -
• What have you discovered? -
• I've never seen a baby. -
• You've saved me. -
• You've preserved it. -
• They've arrested him. -
• I've never celebrated a birthday. -
• Have you tested it? -
• I have protected you. -
• You have not considered the alternative. -
• I have ordered some good wine. -