| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] it become | 77 |
|
| 2 | [Wh adv] it became | 53 |
|
| 3 | when it become | 50 |
|
| 4 | [Wh adv] it becomes | 23 |
|
| 5 | where it become | 19 |
|
