| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] recent years we have | 17 |
|
| 2 | [prep] [adj] years we have | 17 |
|
| 3 | [prep] [adj] years we have | 15 |
|
| 4 | in [adj] years we have | 13 |
|
| 5 | in [adj] years we have | 13 |
|
