| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] [art] [noun sg] | 10709 |
|
| 2 | [prep] [art] deep [noun sg] | 818 |
|
| 3 | back [prep] [art] deep | 7 |
|
| 4 | back [prep] deep [noun sg] | 5 |
|
