| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [vb past] [verb] [art] | 1252 |
|
| 2 | [pron] [vb past] become [art] | 347 |
|
| 3 | [Wh det] [verb] become [art] | 137 |
|
