| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] [adj] [noun] | 1016 |
|
| 2 | [adv] [prep] [adj] time | 405 |
|
| 3 | back [prep] [adj] time | 82 |
|
| 4 | back [prep] [adj] time | 58 |
|
