| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] years | 820 |
|
| 2 | [prep] a hundred [noun] | 462 |
|
| 3 | [prep] a hundred [noun pl] | 387 |
|
| 4 | [prep] a [num] years | 236 |
|
| 5 | [prep] [art] hundred years | 159 |
|
| 6 | [prep] a hundred year | 109 |
|
| 7 | [prep] a hundred years | 109 |
|
| 8 | [prep] a hundred years | 109 |
|
