| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we have been [v-ing] [prep] | 424 |
|
| 2 | [conj] we have been [v-ing] | 282 |
|
| 3 | [conj] have been [v-ing] [prep] | 190 |
|
| 4 | [conj] we have been [prep] | 89 |
|
