| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been speculation | 22 |
|
| 2 | have [been] speculation | 22 |
|
| 3 | [vb -s] [been] speculation | 12 |
|
| 4 | has [been] speculation | 10 |
|
| 5 | [vb past] [been] speculation | 10 |
|
| 6 | had [been] speculation | 10 |
|
