| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] years [pron] | 925 |
|
| 2 | [prep] [num] years [pron] | 455 |
|
| 3 | [prep] three [noun] [pron] | 324 |
|
| 4 | [prep] three [noun pl] [pron] | 302 |
|
| 5 | [prep] three year [pron] | 57 |
|
| 6 | [prep] three years [pron] | 56 |
|
