| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] a [noun sg] [adv] | 2154 |
|
| 2 | at a [noun sg] [adv] | 1890 |
|
| 3 | [vb infin] at a [noun sg] | 231 |
|
| 4 | [vb infin] at [noun sg] [adv] | 38 |
|
| 5 | [vb infin] at a [adv] | 21 |
|
