| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [verb] at [det] | 35 |
|
| 2 | [vb past] been [verb] at [det] | 35 |
|
| 3 | had [been] [verb] at [det] | 34 |
|
| 4 | [vb past] [been] [vb pp] at [det] | 27 |
|
| 5 | [vb past] [been] [verb] at all | 11 |
|
| 6 | [vb past] [been] [v-ing] at [det] | 8 |
|
| 7 | [vb past] [been] [verb] at that | 8 |
|
| 8 | [vb past] [been] [verb] at some | 7 |
|
