| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [pers pn] [adj] | 281 |
|
| 2 | [pron] [vb past] [pers pn] difficult | 126 |
|
| 3 | who [vb past] [pers pn] [adj] | 88 |
|
| 4 | who [verb] [pers pn] difficult | 24 |
|
| 5 | who [vb past] [pron] difficult | 8 |
|
| 6 | who [vb past] [pers pn] difficult | 8 |
|
