| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | you [modal v] know how [pron] | 12 |
|
| 2 | you must know [adv] [pron] | 11 |
|
| 3 | you must know [Wh adv] [pron] | 10 |
|
| 4 | you must [verb] how [pron] | 9 |
|
| 5 | [pers pn] must know how [pron] | 9 |
|
| 6 | [pron] must know how [pron] | 9 |
|
| 7 | you must know how [pron] | 7 |
|
| 8 | you must know how [pron] | 7 |
|
