| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] years | 820 |
|
| 2 | [prep] a [det] years | 581 |
|
| 3 | [prep] a few years | 580 |
|
| 4 | [prep] a few years | 580 |
|
| 5 | [prep] a [num] years | 236 |
|
| 6 | [prep] a hundred years | 109 |
|
| 7 | [prep] a hundred years | 109 |
|
| 8 | [prep] a thousand years | 57 |
|
| 9 | [prep] a thousand years | 57 |
|
| 10 | [prep] a million years | 41 |
|
| 11 | [prep] a million years | 41 |
|
| 12 | [prep] a dozen years | 16 |
|
| 13 | [prep] a dozen years | 16 |
|
| 14 | [prep] a [noun sg] years | 5 |
|
| 15 | [prep] a [noun] years | 5 |
|
