| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun prp] who have be [prep] | 5 |
|
| 2 | [prep] [noun prp] [Wh pn] have be [prep] | 5 |
|
| 3 | [prep] [noun prp] [Wh pn] have been [prep] | 5 |
|
