| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [prep] [noun] | 61137 |
|
| 2 | back [prep] [noun] | 10787 |
|
| 3 | [conj] back [prep] | 457 |
|
| 4 | [conj] back [noun] | 5 |
|
