| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] in the previous | 79 |
|
| 2 | been [vb pp] in the previous | 43 |
|
| 3 | was [vb pp] in the previous | 21 |
|
| 4 | be discussed in the previous | 10 |
|
| 5 | were [vb pp] in the previous | 10 |
|
| 6 | be mentioned in the previous | 6 |
|
