| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] have been | 395 |
|
| 2 | to [verb] been | 21 |
|
| 3 | to have [be] | 21 |
|
| 4 | to have be | 21 |
|
| 5 | to have [been] | 21 |
|
