| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] [prep] [adj] years [adv] [prep] | 10 |
|
| 2 | [num] [prep] [num] years [adv] [prep] | 9 |
|
| 3 | [num] [prep] years [adv] [prep] [art] | 6 |
|
| 4 | [num] [prep] years [adv] [prep] [art] | 6 |
|
| 5 | [num] [prep] years [adv] [prep] the | 5 |
|
| 6 | [num] [prep] years [adv] [prep] the | 5 |
|
