| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it [vb past] place | 24 |
|
| 2 | [subord] it took place | 24 |
|
| 3 | before it [vb past] place | 6 |
|
| 4 | if it [vb past] place | 6 |
|
