| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that they have been [v-ing] | 71 |
|
| 2 | [pron] they have been [v-ing] | 67 |
|
| 3 | [pron] that they have been | 22 |
|
| 4 | [pron] that have been [v-ing] | 22 |
|
