| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what [pron] [vb past] [prep] | 874 |
|
| 2 | [verb] [pron] [vb past] [prep] [det] | 222 |
|
| 3 | what [pron] [vb past] [prep] [det] | 136 |
|
| 4 | [verb] what [vb past] [prep] [det] | 35 |
|
| 5 | [verb] what [pron] [vb past] [det] | 17 |
|
