| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been in [noun] for some | 24 |
|
| 2 | [verb] been in [noun] for some | 24 |
|
| 3 | [verb] been in [noun] for some | 24 |
|
| 4 | have been in [noun] for some | 24 |
|
| 5 | [verb] been in [noun sg] for some | 22 |
|
| 6 | had been in [noun] for some | 13 |
|
| 7 | [vb past] been in [noun] for some | 13 |
|
| 8 | has been in [noun] for some | 7 |
|
| 9 | [vb -s] been in [noun] for some | 7 |
|
| 10 | [verb] been in operation for some | 5 |
|
| 11 | [verb] been in operation for some | 5 |
|
