| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been at [art] [noun pl] | 8 |
|
| 2 | had be at [art] [noun pl] | 8 |
|
| 3 | [vb past] be at [art] [noun pl] | 8 |
|
| 4 | [vb past] be at the [noun pl] | 6 |
|
