| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] [noun sg] | 267931 |
|
| 2 | at a [adj] [noun sg] | 9454 |
|
| 3 | [prep] at [adj] [noun sg] | 137 |
|
| 4 | [prep] at a [adj] | 37 |
|
| 5 | [prep] at a [noun sg] | 24 |
|
