| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [v-ing] at he [prep] | 7 |
|
| 2 | [verb] [been] [v-ing] at he [prep] | 7 |
|
| 3 | [vb past] [been] [v-ing] at he [prep] | 6 |
|
| 4 | had [been] [v-ing] at he [prep] | 5 |
|
