| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [not/n't] it [noun] | 52 |
|
| 2 | [was/were] [not/n't] [noun] who | 31 |
|
| 3 | [was/were] it [noun] who | 6 |
|
| 4 | [not/n't] it [noun] who | 5 |
|
