Usage Examples Present Perfect

• I've never seen the sunrise. -
• I've never seen a baby. -
• I have signed it. -
• What have you discovered? -
• You've saved me. -
• I haven't prepared anything. -
• You have not considered the alternative. -
• I have interrupted you. -
• They've fired him. -
• Have you seen the garden? -
• They've arrested him. -
• Have you written it? -
• How much have you saved? -
• You have not seen this sunset. -
• I have protected you. -
• Have you considered it? -
• We haven't changed anything. -
• Have you seen the bird? -
• You've convinced me. -
• They've changed me. -