| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at an [adj -er] | 148 |
|
| 2 | [to-vb] at an | 130 |
|
| 3 | [to-vb] an [adj -er] | 40 |
|
| 4 | [to-vb] at [adj -er] | 26 |
|
