| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] did n't [verb] [pron] | 322 |
|
| 2 | [adv] did n't [vb infin] [pron] | 321 |
|
| 3 | [adv] [verb] n't know [pron] | 251 |
|
| 4 | [adv] do n't know [pron] | 251 |
|
| 5 | [adv] did [not/n't] know [pron] | 84 |
|
| 6 | [adv] did [adv] know [pron] | 84 |
|
| 7 | [adv] did not know [pron] | 84 |
|
| 8 | [adv] did n't know [pron] | 68 |
|
| 9 | [adv] [vb past] n't know [pron] | 66 |
|
| 10 | [adv] did n't know [pron] | 66 |
|
