| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] know perfectly well | 121 |
|
| 2 | [pron] know perfectly well | 121 |
|
| 3 | i know [adv] well | 72 |
|
| 4 | i [verb] perfectly well | 23 |
|
| 5 | i know perfectly well | 20 |
|
| 6 | i know perfectly [adv] | 20 |
|
