Usage Examples Present Perfect

• Have you contacted him? -
• You have not considered the alternative. -
• I have not committed any crime. -
• You've hidden him! -
• You've seen the films. -
• I've never been inside the house. -
• What have you remembered? -
• Have you seen your girlfriend? -
• I haven't seen a doctor. -
• You haven't written a book! -
• What have you changed? -
• We haven't found the girl. -
• Have I troubled you? -
• Have you forgotten him? -
• Have you written him? -
• Have you seen the dog? -
• They've left him. -
• You've impressed her. -
• I've taught you. -
• I've caught you! -