| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] has be [verb] [prep] [be] | 6 |
|
| 2 | [Wh pn] has [been] [verb] [prep] [be] | 6 |
|
| 3 | [Wh pn] has [be] [vb pp] [prep] [be] | 6 |
|
| 4 | [Wh pn] has [be] [verb] [prep] [be] | 6 |
|
| 5 | [Wh pn] has been [verb] [prep] [be] | 6 |
|
| 6 | who has [be] [verb] [prep] [be] | 6 |
|
| 7 | [Wh pn] has [be] [verb] [prep] be | 6 |
|
