| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] when it [verb] | 681 |
|
| 2 | [conj] when it [vb past] | 285 |
|
| 3 | [conj] when [pron] became | 41 |
|
| 4 | [conj] when it become | 27 |
|
| 5 | [conj] [conj] it became | 26 |
|
