| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] on [noun] [unc] | 393 |
|
| 2 | back [prep] [noun] [unc] | 305 |
|
| 3 | [adv prt] on [noun] [unc] | 137 |
|
| 4 | back on [noun] [unc] | 11 |
|
