| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [adv] happened | 168 |
|
| 2 | what [adv] happened | 168 |
|
| 3 | [pron] just happened | 117 |
|
| 4 | what just [verb] | 14 |
|
| 5 | what just [vb past] | 10 |
|
| 6 | what just happen | 7 |
|
| 7 | what just happened | 7 |
|
