| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] how [pron] | 5775 |
|
| 2 | know how [pron] | 1306 |
|
| 3 | [vb past] how [pron] | 707 |
|
| 4 | knew [adv] [pron] | 694 |
|
| 5 | knew [Wh adv] [pron] | 418 |
|
| 6 | knew how [pron] | 74 |
|
