| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do n't [verb] | 74195 |
|
| 2 | do n't [vb infin] | 74016 |
|
| 3 | [verb] n't know | 20490 |
|
| 4 | do n't know | 20486 |
|
| 5 | do [adv] know | 17194 |
|
| 6 | do [not/n't] know | 17185 |
|
| 7 | do not know | 17166 |
|
| 8 | do n't know | 15927 |
|
| 9 | [vb base] n't know | 15905 |
|
