| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] [prep] [noun] on [noun] | 505 |
|
| 2 | [was/were] [vb pp] [prep] [noun] on [noun] | 485 |
|
| 3 | [was/were] signed [prep] [noun] [prep] [noun] | 54 |
|
| 4 | [be] signed [prep] [noun] on [noun] | 38 |
|
| 5 | [was/were] signed [prep] [noun] on [noun] | 35 |
|
| 6 | [was/were] sign [prep] [noun] on [noun] | 35 |
|
