| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pron] [vb past] [vb pp] | 1868 |
|
| 2 | [vb infin] what [pron] [vb past] | 980 |
|
| 3 | [vb infin] [pron] [vb past] [vb pp] | 466 |
|
| 4 | [vb infin] what [vb past] [vb pp] | 83 |
|
| 5 | [vb infin] what [pron] [vb pp] | 10 |
|
