| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] | 19902 |
|
| 2 | [conj] have been | 7833 |
|
| 3 | [conj] been [v-ing] | 20 |
|
| 4 | [conj] have [v-ing] | 7 |
|
