| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [prep] | 55525 |
|
| 2 | have been [vb pp] [prep] | 49363 |
|
| 3 | have be established [prep] | 283 |
|
| 4 | have been establish [prep] | 283 |
|
| 5 | have [be] established [prep] | 283 |
|
| 6 | have been established [prep] | 282 |
|
| 7 | [verb] been established [prep] | 282 |
|
| 8 | have [been] established [prep] | 282 |
|
