| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] years [unc] | 56 |
|
| 2 | a half [noun] [unc] | 24 |
|
| 3 | a half [noun pl] [unc] | 15 |
|
| 4 | a half year [unc] | 7 |
|
| 5 | [art] half years [unc] | 6 |
|
