| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | up [prep] [num] year [unc] | 30 |
|
| 2 | up [prep] [num] year ['s] | 30 |
|
| 3 | up [prep] [num] year [unc] | 30 |
|
| 4 | up to [num] year [unc] | 29 |
|
| 5 | up to [num] year [unc] | 29 |
|
| 6 | up [prep] [num] years [unc] | 27 |
|
| 7 | up [prep] [num] year ' | 27 |
|
| 8 | up [prep] [num] year ' | 27 |
|
| 9 | up [prep] three year [unc] | 7 |
|
| 10 | up [prep] 10 year [unc] | 5 |
|
