| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [vb past] [prep] | 10934 |
|
| 2 | [Wh det] be [prep] | 5798 |
|
| 3 | [vb past] be [prep] | 4611 |
|
| 4 | [Wh det] [vb past] be | 3425 |
|
