| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] have [adv] [been] [vb pp] to | 20 |
|
| 2 | [Wh pn] have [adv] been [vb pp] to | 20 |
|
| 3 | who have [adv] [been] [vb pp] to | 19 |
|
| 4 | [Wh pn] had [adv] [been] [vb pp] to | 14 |
|
