| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [was/were] a [noun] | 446 |
|
| 2 | [prep] [noun] [be] a sign | 17 |
|
| 3 | [prep] [noun] [was/were] a sign | 7 |
|
| 4 | [prep] [noun] [was/were] [art] sign | 7 |
|
| 5 | [prep] [noun] [was/were] [art] sign | 7 |
|
| 6 | [prep] [noun] [was/were] a sign | 7 |
|
