| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] for some | 55 |
|
| 2 | has been [vb pp] for some | 39 |
|
| 3 | has been [v-ing] for some | 16 |
|
| 4 | has been known for some | 11 |
|
| 5 | has been know for some | 11 |
|
| 6 | has been recognise for some | 5 |
|
| 7 | has been recognised for some | 5 |
|
