| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back on [art] [noun] | 895 |
|
| 2 | [adv] on [art] ground | 394 |
|
| 3 | back [prep] [art] ground | 30 |
|
| 4 | back [prep] [art] ground | 30 |
|
| 5 | back on [art] ground | 11 |
|
| 6 | back on [art] ground | 11 |
|
