| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] years [prep] [noun prp] | 806 |
|
| 2 | [num] [noun] for [noun prp] | 472 |
|
| 3 | [num] [noun pl] for [noun prp] | 305 |
|
| 4 | [num] years for [noun] | 184 |
|
| 5 | [adj] years for [noun prp] | 27 |
|
| 6 | [num] year for [noun prp] | 22 |
|
