| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] [verb] | 59078 |
|
| 2 | what [pron] [verb] | 39669 |
|
| 3 | what [vb past] [pron] | 3979 |
|
| 4 | what [vb past] [verb] | 1624 |
|
