| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] [noun] [unc] [noun sg] | 1316 |
|
| 2 | [prep] [art] [adj] year [unc] [noun sg] | 187 |
|
| 3 | [prep] a [adj] year [unc] [noun] | 66 |
|
