| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [v-ing] [art] | 717 |
|
| 2 | been [v-ing] at [art] | 195 |
|
| 3 | [vb past] [v-ing] at [art] | 187 |
|
| 4 | [vb past] been [v-ing] at | 177 |
|
| 5 | [vb past] been at [art] | 162 |
|
