| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the back [prep] | 1259 |
|
| 2 | at the back [prep] | 1259 |
|
| 3 | at the back [prep] | 1254 |
|
| 4 | at the back of | 1167 |
|
| 5 | at the back of | 1167 |
|
| 6 | at the back in | 18 |
|
| 7 | at the back in | 18 |
|
| 8 | at the back with | 16 |
|
| 9 | at the back with | 16 |
|
| 10 | at the back on | 12 |
|
| 11 | at the back on | 12 |
|
| 12 | at the back for | 11 |
|
| 13 | at the back for | 11 |
|
| 14 | at the back at | 7 |
|
| 15 | at the back at | 7 |
|
| 16 | at the back by | 5 |
|
| 17 | at the backs [prep] | 5 |
|
| 18 | at the back by | 5 |
|
