| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have already [been] mention [prep] | 20 |
|
| 2 | have already [been] mentioned [prep] | 20 |
|
| 3 | have already been mention [prep] | 20 |
|
| 4 | have already [been] mention in | 15 |
|
| 5 | have already [been] mention in | 15 |
|
| 6 | has already [been] mention [prep] | 15 |
|
