| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] for [num] years | 2949 |
|
| 2 | for over [num] years | 557 |
|
| 3 | [noun] over [num] years | 472 |
|
| 4 | [noun] for over [num] | 388 |
|
