| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have [been] [v-ing] | 10881 |
|
| 2 | have [been] [v-ing] at | 446 |
|
| 3 | [pron] have [been] at | 445 |
|
| 4 | [pron] [been] [v-ing] at | 15 |
|
