| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] at the back [prep] | 19 |
|
| 2 | [pers pn] at the back [prep] | 19 |
|
| 3 | [pers pn] at the back of | 15 |
|
| 4 | [pers pn] at the back of | 15 |
|
| 5 | it at the back [prep] | 9 |
|
| 6 | them at the back [prep] | 5 |
|
