| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | up [prep] [num] years [unc] | 27 |
|
| 2 | up [prep] [adj] years [unc] | 27 |
|
| 3 | [adv] [prep] three years [unc] | 11 |
|
| 4 | up [prep] three [noun] [unc] | 7 |
|
| 5 | up [prep] three [noun pl] [unc] | 7 |
|
| 6 | up [prep] three year [unc] | 7 |
|
| 7 | up [prep] three years [unc] | 7 |
|
| 8 | [adv prt] [prep] three years [unc] | 7 |
|
| 9 | up [prep] three years [unc] | 7 |
|
