| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [adv] at a [adj] [noun sg] | 15 |
|
| 2 | and [adv] at a [adj] [noun] | 13 |
|
| 3 | and [adv] at a [adj] [noun] | 10 |
|
| 4 | and [adv] at a [adj -er] [noun] | 5 |
|
