| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] [prep] [adj] [verb] | 60 |
|
| 2 | [vb pp] [prep] [adj] chapter [verb] | 59 |
|
| 3 | been [vb pp] [prep] [adj] chapter | 25 |
|
