| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] [to-vb] [prep] [noun] | 916 |
|
| 2 | [be] [verb] [to-vb] at [noun] | 166 |
|
| 3 | [was/were] [verb] [verb] at [noun] | 78 |
|
