| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | only a [noun] [prep] | 2017 |
|
| 2 | only a [noun] [prep] | 2016 |
|
| 3 | [adv] a [noun] at | 635 |
|
| 4 | only [art] [noun] at | 33 |
|
| 5 | only a [noun] at | 23 |
|
