| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] be established for [adj] | 8 |
|
| 2 | [vb -s] [been] established for [adj] | 8 |
|
| 3 | [vb -s] been established for [adj] | 8 |
|
| 4 | has [be] established for [adj] | 7 |
|
| 5 | [vb -s] [be] established for [det] | 6 |
|
