| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] a [noun] | 73986 |
|
| 2 | at a [noun] | 15341 |
|
| 3 | [conj] at [noun] | 3707 |
|
| 4 | [conj] at a | 759 |
|
