| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] operating for | 22 |
|
| 2 | be operating for | 22 |
|
| 3 | been operating for | 18 |
|
| 4 | [been] operating for | 18 |
|
| 5 | operating [noun] for | 14 |
|
| 6 | operating [noun pl] for | 9 |
|
| 7 | operating for [adj] | 12 |
|
| 8 | operating for [adv] | 8 |
|
| 9 | operating for [adv] | 8 |
|
| 10 | operating for [art] | 6 |
|
| 11 | operating for [art] | 6 |
|
| 12 | operating for [det] | 6 |
|
| 13 | operating for [num] | 5 |
|
