| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [verb] in [noun prp] | 1354 |
|
| 2 | [verb] been operate [prep] [noun prp] | 11 |
|
| 3 | [verb] been operate in [noun] | 9 |
|
| 4 | [verb] be operate in [noun prp] | 8 |
|
| 5 | [verb] [been] operate in [noun prp] | 8 |
|
| 6 | [verb] [be] operate in [noun prp] | 8 |
|
