| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [was/were] announce on [noun] | 82 |
|
| 2 | [prep] [noun] [was/were] on [noun] | 34 |
|
| 3 | [prep] [noun] announce on [noun] | 21 |
|
| 4 | [prep] [noun] [was/were] announce on | 10 |
|
