| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who had [adv] [be] | 461 |
|
| 2 | [pron] had previously [be] | 188 |
|
| 3 | who [verb] previously [be] | 46 |
|
| 4 | who have previously [be] | 46 |
|
| 5 | who [vb past] previously [be] | 41 |
|
