| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] recent years have | 175 |
|
| 2 | in recent years have | 144 |
|
| 3 | [prep] recent years has | 121 |
|
| 4 | [prep] recent years have | 48 |
|
| 5 | of recent years have | 19 |
|
| 6 | over recent years have | 10 |
|
| 7 | [prep] recent years had | 5 |
|
