Usage Examples Present Perfect

• I've never seen a rainbow. -
• I've made a horrible mistake. -
• Have you considered the device? -
• Have you found my brother? -
• He has made an appointment. -
• Have you seen the roof? -
• Have you found it? -
• Have you understood my question? -
• You've burnt it! -
• You haven't rung the bell. -
• What have we won? -
• Have you shown your father? -
• We haven't changed anything. -
• I've locked the doors. -
• You have never learned enough. -
• The girl has made her decision. -
• I haven't committed a crime. -
• You have written a fine book! -
• I've never heard this explanation. -
• Have you seen me? -