| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [vb past] [conj] | 1087 |
|
| 2 | [conj] it [vb past] [conj] | 766 |
|
| 3 | [subord] it [vb past] [conj] | 468 |
|
| 4 | when it [verb] [conj] | 142 |
|
| 5 | when it [vb past] [conj] | 91 |
|
