| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] did not know [adv] [pron] | 40 |
|
| 2 | [pers pn] did [adv] know why [pron] | 33 |
|
| 3 | [pers pn] did not know why [pron] | 33 |
|
| 4 | [pers pn] did [not/n't] know why [pron] | 33 |
|
| 5 | [pers pn] did not know [Wh adv] [pron] | 31 |
|
| 6 | [pers pn] do not know why [pron] | 19 |
|
| 7 | [pers pn] [verb] not know why [pron] | 19 |
|
| 8 | [pers pn] did not [verb] why [pron] | 14 |
|
| 9 | [pers pn] did not know why [pron] | 8 |
|
| 10 | [pron] did not know why [pron] | 8 |
|
| 11 | [pers pn] [vb past] not know why [pron] | 8 |
|
