| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] has [been] a | 31 |
|
| 2 | [Wh pn] has been a | 31 |
|
| 3 | [Wh pn] has be a | 31 |
|
| 4 | who has [be] a | 31 |
|
