| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have already been mention | 131 |
|
| 2 | have already been [prep] | 97 |
|
| 3 | have been mention [prep] | 51 |
|
| 4 | already been mention [prep] | 20 |
|
| 5 | have already mention [prep] | 8 |
|
