| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] [noun] | 104639 |
|
| 2 | back [prep] [noun] | 10787 |
|
| 3 | back [adv] [prep] | 1061 |
|
| 4 | back [adv] [noun] | 69 |
|
