| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for | 1168 |
|
| 2 | have been [vb pp] for | 874 |
|
| 3 | have been established [prep] | 52 |
|
| 4 | have been established [prep] | 52 |
|
| 5 | have been established for | 27 |
|
| 6 | [verb] been established for | 27 |
|
| 7 | have [been] established for | 9 |
|
| 8 | have be established for | 9 |
|
| 9 | [vb base] been established for | 9 |
|
| 10 | have been establish for | 9 |
|
| 11 | have been established for | 9 |
|
| 12 | have [be] established for | 9 |
|
