| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] at [adj] [noun] | 788 |
|
| 2 | [was/were] [verb] [prep] some [noun] | 382 |
|
| 3 | [was/were] [verb] [prep] some [noun] | 382 |
|
| 4 | [was/were] [verb] at [det] [noun] | 265 |
|
| 5 | [be] [verb] at some [noun] | 111 |
|
| 6 | [was/were] [verb] at some [noun] | 31 |
|
| 7 | [was/were] [verb] at some [noun] | 31 |
|
