| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] what [pers pn] [vb past] | 1108 |
|
| 2 | [vb past] [pers pn] [vb past] [to-vb] | 1036 |
|
| 3 | what [pers pn] [vb past] [to-vb] | 898 |
|
