| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] have already [been] mentioned | 24 |
|
| 2 | [noun pl] have already been mention | 24 |
|
| 3 | [noun pl] have already [been] mention | 14 |
|
| 4 | [noun pl] has already [been] mention | 10 |
|
