| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have obviously been a | 16 |
|
| 2 | had obviously been a | 8 |
|
| 3 | [vb past] obviously been a | 8 |
|
| 4 | [vb -s] obviously been a | 6 |
|
| 5 | 's obviously been a | 5 |
|
