| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] they have been [v-ing] | 51 |
|
| 2 | they have been [v-ing] [det] | 46 |
|
| 3 | [coord] have been [v-ing] [det] | 7 |
|
| 4 | [coord] they have been [det] | 6 |
|
