| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] a year | 3221 |
|
| 2 | [prep] a year | 1994 |
|
| 3 | [prep] a year | 1994 |
|
| 4 | [adv] a year | 1674 |
|
| 5 | [adv] a year | 1618 |
|
| 6 | [n mass] a year | 1327 |
|
| 7 | [noun pl] a year | 1314 |
|
| 8 | [adj] a year | 872 |
|
| 9 | [num] a year | 752 |
|
| 10 | [verb] a year | 739 |
|
| 11 | for a year | 734 |
|
| 12 | for a year | 734 |
|
| 13 | [conj] a year | 597 |
|
| 14 | [noun sg] a year | 491 |
|
| 15 | [subord] a year | 451 |
|
| 16 | than a year | 418 |
|
| 17 | than a year | 418 |
|
| 18 | over a year | 382 |
|
| 19 | in a year | 378 |
|
| 20 | in a year | 378 |
|
| 21 | over a year | 377 |
|
| 22 | million a year | 324 |
|
| 23 | million a year | 324 |
|
| 24 | be a year | 268 |
|
| 25 | [be] a year | 268 |
|
| 26 | [unc] a year | 266 |
|
| 27 | [no cls] a year | 263 |
|
| 28 | once a year | 253 |
|
| 29 | once a year | 253 |
|
| 30 | within a year | 238 |
|
