| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adv] [art] [noun] | 1611 |
|
| 2 | [prep] how [art] [noun] | 1242 |
|
| 3 | [prep] how [art] [noun] | 1242 |
|
| 4 | at [Wh adv] [art] [noun] | 56 |
|
| 5 | at how [art] [noun] | 40 |
|
| 6 | at how [art] [noun] | 40 |
|
