| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] to [noun] [pron] | 651 |
|
| 2 | back [prep] [noun] [pron] | 253 |
|
| 3 | back [prep] [noun] [pron] | 253 |
|
| 4 | back to [noun] [pron] | 111 |
|
