| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [prep] [noun] | 3542 |
|
| 2 | have been report [prep] | 24 |
|
| 3 | been report [prep] [noun] | 15 |
|
| 4 | have report [prep] [noun] | 6 |
|
