| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] perfectly well what | 30 |
|
| 2 | know perfectly well what | 26 |
|
| 3 | [vb base] perfectly well what | 13 |
|
| 4 | know perfectly well what | 12 |
|
| 5 | [vb past] perfectly well what | 12 |
|
| 6 | knew perfectly well what | 9 |
|
