| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] years [unc] [noun] [prep] a | 34 |
|
| 2 | [num] years [unc] [noun] [prep] a | 33 |
|
| 3 | three years [unc] [noun] [prep] [art] | 12 |
|
| 4 | three [noun] [unc] [noun] [prep] a | 10 |
|
| 5 | three [noun pl] [unc] [noun] [prep] a | 9 |
|
| 6 | three years [unc] [noun] [prep] a | 6 |
|
| 7 | three year [unc] [noun] [prep] a | 6 |
|
| 8 | three years [unc] [noun] [prep] a | 6 |
|
