| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [adv] [prep] | 2159 |
|
| 2 | [verb] [adv] occurred [prep] | 128 |
|
| 3 | it [verb] [adv] occurred | 55 |
|
| 4 | it [verb] occurred [prep] | 41 |
|
