| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he [vb past] been [v-ing] | 1301 |
|
| 2 | [vb past] been [v-ing] at | 177 |
|
| 3 | he [vb past] [v-ing] at | 80 |
|
| 4 | he [vb past] been at | 62 |
|
