| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] have been [adv] [verb] to | 17 |
|
| 2 | which have be [adv] [verb] to | 15 |
|
| 3 | [Wh det] have be [adv] [vb pp] to | 15 |
|
| 4 | [Wh det] has be [adv] [verb] to | 9 |
|
