| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [num] years ' | 288 |
|
| 2 | [noun sg] [prep] [num] years ' | 230 |
|
| 3 | minimum [prep] [num] [noun] ' | 23 |
|
| 4 | minimum [prep] [num] [noun pl] ' | 23 |
|
| 5 | minimum [prep] [num] years ' | 11 |
|
| 6 | minimum [prep] [num] years ' | 11 |
|
| 7 | minimum [prep] [num] years ' | 11 |
|
| 8 | minimum [prep] [num] years ['s] | 11 |
|
| 9 | minimum [prep] [num] years [unc] | 11 |
|
| 10 | minimum [prep] [num] year ' | 11 |
|
| 11 | minimum [prep] [adj] years ' | 11 |
|
