| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [adv] know | 254 |
|
| 2 | is n't [adv] [verb] | 175 |
|
| 3 | is [not/n't] [adv] know | 112 |
|
| 4 | is not [adv] know | 112 |
|
| 5 | be n't [adv] know | 14 |
|
| 6 | [be] n't [adv] know | 14 |
|
| 7 | [is] n't [adv] know | 11 |
|
| 8 | is n't [adv] know | 11 |
|
