| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] [prep] [adj] [noun prp] | 11 |
|
| 2 | been [v-ing] in [adj] [noun prp] | 6 |
|
| 3 | been operating [prep] [adj] [noun prp] | 5 |
|
