| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [verb] [indef pn] [prep] | 1918 |
|
| 2 | [not/n't] [vb infin] [indef pn] [prep] | 1457 |
|
| 3 | [not/n't] know [pron] [prep] | 351 |
|
| 4 | [adv] know [indef pn] [prep] | 272 |
|
| 5 | [not/n't] know [indef pn] [prep] | 260 |
|
| 6 | [not/n't] know [indef pn] [prep] | 253 |
|
