| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] n't [adv] [adv] | 242 |
|
| 2 | [is] [adv] [to-vb] [adv] | 96 |
|
| 3 | [is] n't [adv] [to-vb] | 25 |
|
| 4 | n't [adv] [to-vb] [adv] | 13 |
|
