| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] [v-ing] [prep] [adj] years | 45 |
|
| 2 | [verb] [prep] [v-ing] [prep] [num] years | 41 |
|
| 3 | [verb] [prep] [v-ing] [prep] two [noun] | 19 |
|
| 4 | [verb] [prep] [v-ing] [prep] two [noun pl] | 17 |
|
| 5 | [verb] [prep] [v-ing] [prep] two year | 9 |
|
| 6 | [verb] [prep] [verb] [prep] two years | 9 |
|
| 7 | [verb] [prep] [v-ing] [prep] two years | 9 |
|
