| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we have been [v-ing] [prep] | 424 |
|
| 2 | and have been [v-ing] [prep] | 50 |
|
| 3 | and we have been [v-ing] | 43 |
|
| 4 | and we have been [prep] | 15 |
|
