| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] for some time | 37 |
|
| 2 | [vb -s] been [vb pp] for some time | 26 |
|
| 3 | [vb -s] been [v-ing] for some time | 15 |
|
| 4 | [vb -s] been know for some time | 11 |
|
| 5 | [vb -s] been known for some time | 11 |
|
| 6 | [vb -s] been recognised for some time | 5 |
|
| 7 | [vb -s] been recognise for some time | 5 |
|
