| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] [conj] [v-ing] | 375 |
|
| 2 | [verb] [conj] [v-ing] at | 297 |
|
| 3 | been [verb] [conj] at | 29 |
|
| 4 | been [verb] [v-ing] at | 9 |
|
