| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [noun] | 1451 |
|
| 2 | [verb] [been] speculation | 23 |
|
| 3 | have [been] speculation | 23 |
|
| 4 | had [be] speculation | 10 |
|
| 5 | [vb past] [been] speculation | 10 |
|
