| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [v-ing] | 19902 |
|
| 2 | we have [been] | 3290 |
|
| 3 | we have [v-ing] | 24 |
|
| 4 | we [been] [v-ing] | 20 |
|
