| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] [prep] [noun] [prep] [noun] | 3680 |
|
| 2 | [be] [vb pp] [prep] [noun] on [noun] | 785 |
|
| 3 | [was/were] [verb] [prep] [noun] on [noun] | 505 |
|
| 4 | [was/were] [vb pp] [prep] [noun] on [noun] | 485 |
|
