| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] [prep] [adj] years | 959 |
|
| 2 | [num] [prep] three [noun] | 645 |
|
| 3 | [num] [prep] three [noun pl] | 557 |
|
| 4 | [adj] [prep] three years | 146 |
|
| 5 | [num] [prep] three year | 104 |
|
| 6 | [num] [prep] three years | 102 |
|
