| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is n't it the [noun] | 17 |
|
| 2 | [is] n't it the [noun sg] | 16 |
|
| 3 | [is] n't it the case | 5 |
|
| 4 | [is] n't it the case | 5 |
|
