| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [noun sg] | 14548 |
|
| 2 | [adv prt] a [noun sg] | 12783 |
|
| 3 | [adv prt] at [noun sg] | 1537 |
|
| 4 | [adv prt] at a | 665 |
|
