| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [not/n't] [adv] | 5047 |
|
| 2 | [not/n't] [adv] know | 1301 |
|
| 3 | [vb -s] [adv] know | 830 |
|
| 4 | [vb -s] [not/n't] know | 829 |
|
