| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [prep] [noun] [prep] [noun] | 1081 |
|
| 2 | [be] [prep] [noun] in [noun] | 573 |
|
| 3 | [was/were] [prep] [noun] in [noun] | 204 |
|
