| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have [adv] been [verb] [prep] | 3362 |
|
| 2 | [noun] have [adv] been [v-ing] [prep] | 111 |
|
| 3 | [noun] have [adv] been operating [prep] | 6 |
|
| 4 | [noun] have [adv] [be] operating [prep] | 6 |
|
| 5 | [noun] have [adv] [been] operating [prep] | 6 |
|
| 6 | [noun] have [adv] been operate [prep] | 6 |
|
| 7 | [noun] [verb] [adv] been operating [prep] | 6 |
|
| 8 | [noun] have [adv] be operating [prep] | 6 |
|
