| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb past] [conj] | 40260 |
|
| 2 | [noun] [vb past] back | 4464 |
|
| 3 | [vb past] back [conj] | 983 |
|
| 4 | [noun] back [conj] | 648 |
|
