| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] do [not/n't] know | 15345 |
|
| 2 | who do [not/n't] [verb] | 1043 |
|
| 3 | who do [not/n't] [vb infin] | 1043 |
|
| 4 | who [verb] [not/n't] know | 244 |
|
| 5 | who do [not/n't] know | 244 |
|
| 6 | who do [not/n't] know | 113 |
|
| 7 | who do [adv] know | 113 |
|
| 8 | who [vb base] [not/n't] know | 113 |
|
