| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] at | 1102 |
|
| 2 | it [vb past] at | 429 |
|
| 3 | it happened [prep] | 221 |
|
| 4 | it happened [prep] | 221 |
|
| 5 | [pron] happened at | 119 |
|
| 6 | it happen at | 36 |
|
| 7 | [pers pn] happened at | 24 |
|
| 8 | it happened at | 20 |
|
| 9 | it happened at | 20 |
|
