| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] have been associated with | 16 |
|
| 2 | who have been associated [prep] | 14 |
|
| 3 | [Wh pn] had been associated [prep] | 8 |
|
| 4 | [Wh pn] has been associated [prep] | 5 |
|
