| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [adv] what [verb] | 11 |
|
| 2 | [pron] [adv] what happened | 10 |
|
| 3 | i [adv] what [vb past] | 7 |
|
| 4 | i [adv] [pron] happened | 5 |
|
| 5 | i [adv] [Wh det] happened | 5 |
|
| 6 | i [adv] what happened | 5 |
|
| 7 | i [adv] what happen | 5 |
|
| 8 | i [adv] what happened | 5 |
|
