| 1 | The thief bolted through the back door. | |
| 2 | They finally entered the coach via the back door. | |
| 3 | I avoided meeting her by leaving by the back door. | |
| 4 | Two policemen covered the back door and two covered the front. | |
| 5 | 'Aaaaaaargh!' yelled the tailor, and ran out the back door. |