| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [verb] in [art] | 3519 |
|
| 2 | [verb] been [v-ing] in [art] | 334 |
|
| 3 | [verb] been operating [prep] [art] | 16 |
|
| 4 | [verb] be operating in [art] | 5 |
|
| 5 | [verb] [been] operating in [art] | 5 |
|
| 6 | [verb] been operate in [art] | 5 |
|
| 7 | [verb] [be] operating in [art] | 5 |
|
| 8 | [verb] been operating in [art] | 5 |
|
