| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] [vb pp] | 50542 |
|
| 2 | [be] [not/n't] [vb pp] | 20110 |
|
| 3 | [was/were] [not/n't] [verb] | 13690 |
|
