| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] [noun sg] | 95337 |
|
| 2 | back [prep] [noun sg] | 4590 |
|
| 3 | back [adv] [prep] | 1907 |
|
| 4 | back [adv] [noun sg] | 44 |
|
