| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [prep] [adv] | 1133 |
|
| 2 | have been [v-ing] [prep] [adv] | 211 |
|
| 3 | have be operating [prep] [adv] | 7 |
|
| 4 | have [been] operating [prep] [adv] | 7 |
|
| 5 | have [be] operating [prep] [adv] | 7 |
|
| 6 | have been operate [prep] [adv] | 7 |
|
| 7 | [verb] been operating [prep] [adv] | 7 |
|
| 8 | have been operating [prep] [adv] | 7 |
|
