| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] a [adv] | 2454 |
|
| 2 | at a [adv] | 1079 |
|
| 3 | [vb infin] at [adv] | 1030 |
|
| 4 | [vb infin] at a | 422 |
|
