| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [not/n't] know | 23214 |
|
| 2 | [verb] n't know | 20490 |
|
| 3 | [vb base] [not/n't] know | 17188 |
|
| 4 | do [not/n't] know | 17185 |
|
| 5 | [vb past] [not/n't] know | 5142 |
|
| 6 | did [not/n't] know | 5141 |
|
| 7 | [verb] not know | 2708 |
|
| 8 | does [not/n't] know | 829 |
|
| 9 | [vb -s] [not/n't] know | 829 |
|
| 10 | [vb infin] [not/n't] know | 58 |
|
| 11 | do [not/n't] know | 58 |
|
| 12 | [verb] nt know | 20 |
|
