| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [not/n't] [verb] i | 599 |
|
| 2 | [vb -s] [not/n't] [vb infin] i | 532 |
|
| 3 | [verb] [not/n't] know i | 330 |
|
| 4 | [vb -s] [not/n't] know [pron] | 309 |
|
| 5 | [vb -s] [not/n't] know i | 22 |
|
| 6 | [vb -s] [adv] know i | 21 |
|
