| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [v-ing] at | 446 |
|
| 2 | have [been] [v-ing] some | 119 |
|
| 3 | [been] [v-ing] at some | 10 |
|
| 4 | have [been] at some | 5 |
|
