| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [vb -s] been [verb] a | 21 |
|
| 2 | who [vb -s] [been] [verb] a | 21 |
|
| 3 | [Wh pn] has [been] [verb] a | 18 |
|
| 4 | [Wh pn] [vb -s] [been] [vb pp] a | 14 |
|
| 5 | [Wh pn] [vb -s] [been] [v-ing] a | 6 |
|
