| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] did n't know [pron] | 1350 |
|
| 2 | [pron] [verb] n't know who | 352 |
|
| 3 | [pron] do n't know who | 352 |
|
| 4 | [pron] did n't [vb infin] who | 89 |
|
| 5 | [pron] did n't [verb] who | 89 |
|
| 6 | [pron] did not know who | 76 |
|
| 7 | [pron] did [not/n't] know who | 76 |
|
| 8 | [pron] did [adv] know who | 76 |
|
| 9 | [pron] did n't know [Wh pn] | 62 |
|
| 10 | [pron] did n't know who | 61 |
|
| 11 | [pron] [vb past] n't know who | 61 |
|
| 12 | [pron] did n't know who | 61 |
|
