| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] [v-ing] on [noun sg] | 15 |
|
| 2 | was [adv] [v-ing] on [noun sg] | 13 |
|
| 3 | were [adv] [v-ing] on [noun sg] | 10 |
|
| 4 | [was/were] [not/n't] [v-ing] on [noun sg] | 8 |
|
| 5 | [was/were] not [v-ing] on [noun sg] | 8 |
|
