| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adv] [art] | 3063 |
|
| 2 | at [adv] [art] | 2970 |
|
| 3 | [prep] about [art] | 388 |
|
| 4 | [prep] about [art] | 388 |
|
| 5 | at about [art] | 17 |
|
| 6 | at about [art] | 17 |
|
| 7 | at about [art] | 17 |
|
