| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been at | 425 |
|
| 2 | had be at | 382 |
|
| 3 | 'd be at | 45 |
|
| 4 | [vb past] was at | 23 |
|
| 5 | [vb past] were at | 5 |
|
