| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [prep] a [num] years [coord] | 7 |
|
| 2 | [noun sg] [prep] a [num] years [conj] | 7 |
|
| 3 | [noun sg] [prep] a [num] years [conj] | 7 |
|
| 4 | [noun sg] [prep] a [num] years or | 5 |
|
| 5 | [noun sg] [prep] a [num] years or | 5 |
|
| 6 | [noun sg] for a [num] years [conj] | 5 |
|
| 7 | [noun sg] for a [num] years [conj] | 5 |
|
| 8 | [noun sg] [prep] a hundred years [conj] | 5 |
|
