| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [verb] | 12153 |
|
| 2 | [vb past] [subord] [verb] | 600 |
|
| 3 | who [vb past] [subord] | 246 |
|
| 4 | who [subord] [verb] | 13 |
|
