| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [vb past] at a | 62 |
|
| 2 | and [vb past] off a | 38 |
|
| 3 | and [vb past] off at | 36 |
|
| 4 | [vb past] off at a | 33 |
|
