| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] back [prep] third | 9 |
|
| 2 | length back [prep] third | 6 |
|
| 3 | [noun pl] back [prep] third | 5 |
|
| 4 | back [prep] [art] third | 6 |
|
| 5 | back [prep] [art] third | 6 |
|
