| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that they have been [v-ing] | 71 |
|
| 2 | [that] they had been [v-ing] | 39 |
|
| 3 | [that] they have been [v-ing] | 17 |
|
| 4 | [that] they 've been [v-ing] | 11 |
|
