| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] what [pron] [verb] | 1256 |
|
| 2 | [vb past] [pron] [verb] in | 1033 |
|
| 3 | what [pron] [verb] in | 966 |
|
| 4 | [vb past] what [verb] in | 16 |
|
