| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we have [been] [v-ing] [prep] | 155 |
|
| 2 | [conj] we have [been] [v-ing] | 96 |
|
| 3 | [conj] have [been] [v-ing] [prep] | 41 |
|
| 4 | [conj] we have [been] [prep] | 25 |
|
