| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is n't [pers pn] [adv] [verb] | 11 |
|
| 2 | is n't it [adv] [verb] | 9 |
|
| 3 | is n't it [adv] [verb] | 9 |
|
| 4 | is n't [pron] [adv] [to-vb] | 8 |
|
