| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a year [unc] | 48 |
|
| 2 | [noun] [prep] a year [unc] | 48 |
|
| 3 | [noun] in a year [unc] | 15 |
|
| 4 | [noun] in a year [unc] | 15 |
|
| 5 | [noun] for a year [unc] | 15 |
|
| 6 | [noun] for a year [unc] | 15 |
|
| 7 | [noun] [verb] a year [unc] | 12 |
|
| 8 | [noun] of a year [unc] | 7 |
|
| 9 | [noun] of a year [unc] | 7 |
|
| 10 | [noun] [vb past] a year [unc] | 7 |
|
| 11 | [noun] [conj] a year [unc] | 6 |
|
| 12 | [noun] [coord] a year [unc] | 5 |
|
