| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] have formerly [vb pp] [prep] | 7 |
|
| 2 | [Wh pn] had formerly [vb pp] [prep] | 7 |
|
| 3 | who have formerly [vb pp] [prep] | 7 |
|
