| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] for [num] year | 1440 |
|
| 2 | [v-ing] for [num] [noun] | 653 |
|
| 3 | [v-ing] [prep] [num] year | 321 |
|
| 4 | [v-ing] [prep] [num] year | 321 |
|
| 5 | [v-ing] for [adj] year | 291 |
|
| 6 | [v-ing] for [num] year | 215 |
|
