| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb -s] [prep] | 12797 |
|
| 2 | [adv] back [prep] | 1636 |
|
| 3 | [vb -s] back [prep] | 1368 |
|
| 4 | [adv] [vb -s] back | 160 |
|
