| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] [verb] previously been | 9 |
|
| 2 | [ex0] have previously be | 9 |
|
| 3 | [ex0] [vb past] previously be | 9 |
|
| 4 | there [verb] previously be | 9 |
|
| 5 | [ex0] had previously be | 9 |
|
