| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] years have | 54 |
|
| 2 | [prep] recent years have | 48 |
|
| 3 | [prep] recent years have | 48 |
|
| 4 | in [adj] years have | 42 |
|
| 5 | of [adj] years have | 14 |
|
| 6 | [prep] [num] years have | 13 |
|
| 7 | [prep] [det] years have | 8 |
|
| 8 | for [adj] years have | 7 |
|
| 9 | over [adj] years have | 5 |
|
