| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | signed [prep] [noun] on [noun] | 56 |
|
| 2 | [was/were] signed [prep] [noun] [noun] | 56 |
|
| 3 | [was/were] [prep] [noun] on [noun] | 51 |
|
| 4 | [was/were] signed [prep] [noun] on | 38 |
|
