| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] when it become clear | 5 |
|
| 2 | [coord] when it [vb past] clear | 5 |
|
| 3 | [coord] when it [verb] clear | 5 |
|
| 4 | [coord] when it became clear | 5 |
|
