| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] they have been [v-ing] | 246 |
|
| 2 | [conj] they have been [adj] | 222 |
|
| 3 | they have been [v-ing] [adj] | 78 |
|
| 4 | [conj] have been [v-ing] [adj] | 31 |
|
