| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [vb past] it | 7210 |
|
| 2 | [conj] [vb past] when | 217 |
|
| 3 | [vb past] it when | 191 |
|
| 4 | [conj] it when | 10 |
|
