| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] they have [adv] been | 230 |
|
| 2 | [conj] they have been [v-ing] | 54 |
|
| 3 | they have [adv] been [v-ing] | 30 |
|
| 4 | [conj] have [adv] been [v-ing] | 12 |
|
