| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [num] [noun] | 20415 |
|
| 2 | [prep] [num] year | 16424 |
|
| 3 | [prep] [num] year | 16424 |
|
| 4 | for [adj] year | 10294 |
|
| 5 | for [num] year | 6449 |
|
