| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [noun sg] as | 196 |
|
| 2 | at home as | 38 |
|
| 3 | at night as | 25 |
|
| 4 | at present as | 14 |
|
| 5 | at risk as | 11 |
|
| 6 | at work as | 10 |
|
| 7 | at school as | 7 |
|
| 8 | at hand as | 5 |
|
