| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [not/n't] [adv] a | 590 |
|
| 2 | which was [adv] a | 218 |
|
| 3 | which was [not/n't] [adv] | 186 |
|
| 4 | which was [not/n't] a | 39 |
|
