| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been established for [det] [noun] | 8 |
|
| 2 | have [been] established for [det] [noun] | 8 |
|
| 3 | [verb] [been] established for [det] [noun] | 8 |
|
| 4 | [vb -s] [been] established for [det] [noun] | 6 |
|
| 5 | [verb] [been] established for [det] [noun pl] | 6 |
|
| 6 | has [been] established for [det] [noun] | 5 |
|
