| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been in [noun] [prep] some | 29 |
|
| 2 | [been] in [noun] for some | 27 |
|
| 3 | [been] in [noun sg] [prep] some | 27 |
|
| 4 | [been] in operation [prep] some | 5 |
|
| 5 | [been] in operation [prep] some | 5 |
|
