| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] happened at | 83 |
|
| 2 | what happened at | 70 |
|
| 3 | what happened at | 70 |
|
| 4 | [pers pn] happened at | 24 |
|
| 5 | it happened at | 20 |
|
| 6 | it happened at | 20 |
|
| 7 | [indef pn] happened at | 12 |
|
| 8 | which happened at | 12 |
|
| 9 | which happened at | 12 |
|
| 10 | nothing happened at | 7 |
|
| 11 | nothing happened at | 7 |
|
