| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] [v-ing] | 17668 |
|
| 2 | [was/were] [not/n't] [v-ing] | 4746 |
|
| 3 | [was/were] not [v-ing] | 4734 |
|
| 4 | [was/were] n't [verb] | 4481 |
|
| 5 | [be] n't [v-ing] | 3972 |
|
