| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] [verb] [art] | 1180 |
|
| 2 | which [vb past] [vb pp] [art] | 763 |
|
| 3 | [pron] [vb past] become [art] | 285 |
|
| 4 | which [verb] become [art] | 90 |
|
| 5 | which [vb past] become [art] | 29 |
|
