| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [art] | 8566 |
|
| 2 | [vb past] become [art] | 1056 |
|
| 3 | it become [art] | 647 |
|
| 4 | it [vb past] become | 316 |
|
