| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [noun] [prep] [art] [noun] | 11402 |
|
| 2 | [verb] [noun] [prep] [art] background | 65 |
|
| 3 | [vb past] [noun] [prep] [art] background | 26 |
|
| 4 | [vb past] [noun] [prep] [art] background | 26 |
|
