| 1 | But you never change. Always so careless! | |
| 2 | He lost the folder because he was careless. | |
| 3 | I'm too careless. I forgot to bring my wallet to the supermarket. | |
| 4 | She often loses the notes in her books because of her carelessness. | |
| 5 | She carelessly took someone else's bag by mistake. |