| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] half | 32 |
|
| 2 | back in half | 7 |
|
| 3 | back in half | 7 |
|
| 4 | back at half | 5 |
|
| 5 | back at half | 5 |
|
| 6 | back after half | 5 |
|
| 7 | back after half | 5 |
|
