| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] in prison | 22 |
|
| 2 | [vb past] be in prison | 22 |
|
| 3 | [vb past] been in prison | 22 |
|
| 4 | had [be] in prison | 18 |
|
