| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [modal v] [verb] know [adv] | 103 |
|
| 2 | i [modal v] [verb] know [Wh adv] | 59 |
|
| 3 | [pron] [modal v] [verb] know why | 32 |
|
| 4 | [pers pn] [modal v] [verb] know why | 31 |
|
| 5 | i [modal v] [verb] [verb] why | 22 |
|
| 6 | i [modal v] [verb] know why | 19 |
|
| 7 | i [modal v] [verb] know why | 19 |
|
