| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] [adj] years | 405 |
|
| 2 | [v-ing] [prep] [num] years | 300 |
|
| 3 | [verb] [prep] eight years | 60 |
|
| 4 | [v-ing] [prep] eight [noun] | 34 |
|
| 5 | [v-ing] [prep] eight [noun pl] | 29 |
|
| 6 | [v-ing] [prep] eight year | 8 |
|
| 7 | [v-ing] [prep] eight years | 7 |
|
