| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] ' [noun] | 396 |
|
| 2 | [prep] a [noun] ' [noun sg] | 390 |
|
| 3 | [prep] [art] [noun] ' practice | 27 |
|
| 4 | [prep] a [noun] [unc] practice | 20 |
|
| 5 | [prep] a [noun] ['s] practice | 20 |
|
| 6 | [prep] a [noun] ' practice | 8 |
|
| 7 | [prep] a [noun] ' practice | 8 |
|
