| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [not/n't] [adv] a | 589 |
|
| 2 | this was [not/n't] [adv] | 323 |
|
| 3 | this was [adv] a | 298 |
|
| 4 | this was [not/n't] a | 223 |
|
