| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [adv] happened | 34 |
|
| 2 | [prep] what [adv] happened | 34 |
|
| 3 | [prep] [Wh det] [adv] happened | 34 |
|
| 4 | of [pron] [adv] happened | 15 |
|
| 5 | [prep] [pron] actually happened | 15 |
|
| 6 | to [pron] [adv] happened | 9 |
|
| 7 | [prep] [pron] really happened | 8 |
|
