| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] be | 3396 |
|
| 2 | [n mass] who be | 2233 |
|
| 3 | [n mass] who [vb past] | 2149 |
|
| 4 | [n mass] [vb past] be | 614 |
|
