| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] did n't know [pron] | 1350 |
|
| 2 | [Wh pn] did n't [verb] [pron] | 71 |
|
| 3 | [Wh pn] did n't [vb infin] [pron] | 71 |
|
| 4 | [Wh pn] [verb] n't know [pron] | 62 |
|
| 5 | [Wh pn] do n't know [pron] | 62 |
|
| 6 | [Wh pn] did not know [pron] | 37 |
|
| 7 | [Wh pn] did [adv] know [pron] | 37 |
|
| 8 | [Wh pn] did [not/n't] know [pron] | 37 |
|
| 9 | [Wh pn] did n't know [pron] | 22 |
|
| 10 | [Wh pn] [vb past] n't know [pron] | 22 |
|
