| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] two years | 792 |
|
| 2 | [prep] two years [unc] | 122 |
|
| 3 | [noun] [prep] two [unc] | 43 |
|
| 4 | [noun] [prep] years [unc] | 28 |
|
