| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [verb] [art] | 1300 |
|
| 2 | it [vb past] [vb pp] [art] | 627 |
|
| 3 | [pron] [vb past] become [art] | 285 |
|
| 4 | it [verb] become [art] | 223 |
|
| 5 | it [vb past] become [art] | 80 |
|
