| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | already been [verb] in chapter | 34 |
|
| 2 | already been [vb pp] [prep] chapter | 34 |
|
| 3 | already been [verb] [prep] chapter | 33 |
|
| 4 | already been discuss [prep] chapter | 12 |
|
| 5 | already been discussed [prep] chapter | 12 |
|
