| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] up at the [noun] | 21 |
|
| 2 | [was/were] [v-ing] up at [art] [noun sg] | 17 |
|
| 3 | was [v-ing] up at [art] [noun] | 15 |
|
| 4 | were [v-ing] up at [art] [noun] | 8 |
|
