| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have been [adv] a | 10 |
|
| 2 | [Wh pn] have been [adv] a | 8 |
|
| 3 | [Wh pn] have been there a | 5 |
|
| 4 | [Wh pn] have been there a | 5 |
|
