| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] at the [noun] | 658 |
|
| 2 | [v-ing] in at the [noun] | 40 |
|
| 3 | [was/were] in at the [noun] | 10 |
|
| 4 | [was/were] [v-ing] in at the | 7 |
|
