| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] they have been [v-ing] [noun pl] | 11 |
|
| 2 | [conj] they have [been] [v-ing] [noun pl] | 11 |
|
| 3 | [subord] they have [been] [v-ing] [noun pl] | 6 |
|
