| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [adv] when it [vb past] | 14 |
|
| 2 | and [adv] when it [vb past] | 13 |
|
| 3 | and then when it [vb past] | 8 |
|
| 4 | and then when it [vb past] | 8 |
|
