| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun sg] [prep] a [adj] years | 26 |
|
| 2 | a [noun sg] [prep] a [det] years | 17 |
|
| 3 | a [noun sg] [prep] a few years | 17 |
|
| 4 | a [noun sg] [prep] a few years | 17 |
|
| 5 | a [noun sg] of a [adj] years | 15 |
|
| 6 | a [noun sg] of a [adj] years | 15 |
|
| 7 | a [noun sg] for a [adj] years | 7 |
|
| 8 | a [noun sg] [prep] a [num] years | 7 |
|
| 9 | a [noun sg] for a [adj] years | 7 |
|
| 10 | a period [prep] a [adj] years | 5 |
|
