| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [pron] have been [v-ing] | 625 |
|
| 2 | [pron] have been [v-ing] at | 235 |
|
| 3 | that [pron] have been at | 28 |
|
| 4 | that have been [v-ing] at | 8 |
|
