| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [prep] a [noun sg] | 79 |
|
| 2 | at [prep] a [noun] | 76 |
|
| 3 | at as a [noun] | 18 |
|
| 4 | at in a [noun] | 12 |
|
| 5 | at by a [noun] | 11 |
|
| 6 | at from a [noun] | 10 |
|
| 7 | at for a [noun] | 7 |
|
| 8 | at about a [noun] | 7 |
|
| 9 | at [prep] a whole | 5 |
|
| 10 | at [prep] an [noun] | 5 |
|
| 11 | at with a [noun] | 5 |
|
| 12 | at [prep] a whole | 5 |
|
