| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] have previously been | 47 |
|
| 2 | who have previously [been] | 46 |
|
| 3 | [Wh pn] had previously [been] | 41 |
|
| 4 | [Wh pn] have previously [been] | 5 |
|
