| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [prep] a [adj] [noun] | 717 |
|
| 2 | [was/were] [verb] at a [adj] [noun] | 200 |
|
| 3 | [was/were] [v-ing] at [art] [adj] [noun] | 192 |
|
| 4 | [was/were] [v-ing] at [art] [adj] [noun] | 192 |
|
| 5 | [be] [v-ing] at a [adj] [noun] | 135 |
|
| 6 | [was/were] [v-ing] at a [adj] [noun] | 65 |
|
