| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [verb] [prep] a | 2132 |
|
| 2 | [vb past] been [verb] [prep] a | 2132 |
|
| 3 | [vb past] been [verb] at [art] | 333 |
|
| 4 | [verb] been [verb] at a | 174 |
|
| 5 | [vb past] [be] [verb] at a | 65 |
|
| 6 | [vb past] be [verb] at a | 65 |
|
| 7 | [vb past] been [verb] at a | 64 |
|
| 8 | [vb past] [been] [verb] at a | 64 |
|
