| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] know [adv] you should [vb infin] | 7 |
|
| 2 | n't know [adv] you should [vb infin] | 6 |
|
| 3 | not know [adv] you should [vb infin] | 6 |
|
| 4 | [not/n't] know [adv] you should [vb infin] | 6 |
|
