| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [not/n't] a [noun] | 1899 |
|
| 2 | [Wh pn] [was/were] a [noun] | 375 |
|
| 3 | [Wh pn] [was/were] [not/n't] [noun] | 56 |
|
| 4 | [Wh pn] [was/were] [not/n't] a | 36 |
|
