| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] three years | 605 |
|
| 2 | [noun] [prep] years [pron] | 89 |
|
| 3 | [prep] three years [pron] | 56 |
|
| 4 | [noun] [prep] three [pron] | 17 |
|
