| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [not/n't] it the [noun sg] | 23 |
|
| 2 | is n't it the [noun] | 17 |
|
| 3 | is [not/n't] it the case | 10 |
|
| 4 | is [not/n't] it the case | 10 |
|
| 5 | is not it the [noun] | 7 |
|
