| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for [det] | 568 |
|
| 2 | have been [vb pp] for [det] | 369 |
|
| 3 | have been established [prep] [det] | 25 |
|
| 4 | have been established [prep] [det] | 25 |
|
| 5 | have been established for [adj] | 13 |
|
| 6 | have [be] established for [det] | 9 |
|
| 7 | have be established for [det] | 9 |
|
| 8 | have [been] established for [det] | 9 |
|
| 9 | have been establish for [det] | 9 |
|
| 10 | [verb] been established for [det] | 9 |
|
| 11 | have been established for [det] | 9 |
|
