| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [prep] [art] [noun] | 51350 |
|
| 2 | [det] [prep] [art] [noun sg] | 29945 |
|
| 3 | [adj] [prep] [art] background | 88 |
|
| 4 | [det] [prep] [art] background | 33 |
|
| 5 | [det] [prep] [art] background | 33 |
|
