| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] but it be n't | 55 |
|
| 2 | [noun sg] but it [be] n't | 47 |
|
| 3 | [noun] but it [was/were] n't | 35 |
|
| 4 | [noun] but it was n't | 34 |
|
| 5 | [noun] but it is n't | 20 |
|
| 6 | [noun] but it [is] n't | 20 |
|
