| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] [vb past] | 28098 |
|
| 2 | to [Wh det] [pron] | 4616 |
|
| 3 | to [pron] [vb past] | 803 |
|
| 4 | to [Wh det] [vb past] | 221 |
|
