| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [verb] been [v-ing] | 886 |
|
| 2 | [Wh det] [verb] been [v-ing] | 554 |
|
| 3 | [Wh det] they [verb] been | 265 |
|
| 4 | [Wh det] they [verb] [v-ing] | 36 |
|
