| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] [pron] [is] [adv] | 323 |
|
| 2 | not [vb infin] [pron] [is] [adv] | 296 |
|
| 3 | not know [pron] [be] [adv] | 134 |
|
| 4 | [adv] know [pron] [is] [adv] | 42 |
|
| 5 | not know [pron] [is] [adv] | 37 |
|
