| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [prep] a [noun] | 73 |
|
| 2 | has been found [prep] [noun] | 59 |
|
| 3 | been found [prep] a [noun] | 43 |
|
| 4 | has been found [prep] a | 21 |
|
