| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [vb pp] in a previous | 24 |
|
| 2 | have [vb pp] in a previous | 24 |
|
| 3 | [vb -s] [vb pp] in a previous | 18 |
|
| 4 | [verb] occurred in a previous | 18 |
|
| 5 | has [vb pp] in a previous | 18 |
|
