| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been for [det] [noun] | 71 |
|
| 2 | have been established for [det] | 9 |
|
| 3 | been established for [det] [noun] | 8 |
|
| 4 | have been established for [noun] | 5 |
|
