| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] not [to-vb] | 1201 |
|
| 2 | [adv] [is] not | 639 |
|
| 3 | [adv] [is] [to-vb] | 574 |
|
| 4 | [adv] not [to-vb] | 489 |
|
