| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [verb] for | 1825 |
|
| 2 | [vb -s] been [vb pp] for | 1437 |
|
| 3 | [vb -s] been established [prep] | 106 |
|
| 4 | [verb] been established for | 27 |
|
| 5 | [vb -s] [been] established for | 15 |
|
| 6 | [vb -s] been establish for | 15 |
|
| 7 | [vb -s] [be] established for | 15 |
|
| 8 | [vb -s] be established for | 15 |
|
