| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [prep] [art] [num] years | 316 |
|
| 2 | [noun sg] [prep] [num] years ' | 230 |
|
| 3 | [prep] [art] [num] years ' | 34 |
|
| 4 | [noun sg] [prep] [art] [num] ' | 13 |
|
