| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj -er] [noun] | 1168 |
|
| 2 | [adv prt] at a [noun] | 359 |
|
| 3 | [adv prt] a [adj -er] [noun] | 124 |
|
| 4 | [adv prt] at a [adj -er] | 29 |
|
| 5 | [adv prt] at [adj -er] [noun] | 13 |
|
