| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] years [art] | 38 |
|
| 2 | and [prep] [adj] years [art] | 34 |
|
| 3 | and [prep] a [adj] years | 21 |
|
| 4 | and a [adj] years [art] | 5 |
|
