| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] recent years they | 9 |
|
| 2 | [prep] recent years they | 9 |
|
| 3 | in recent years they | 7 |
|
| 4 | in recent years they | 7 |
|
| 5 | recent years they have | 8 |
|
| 6 | recent years they [vb base] | 8 |
|
| 7 | recent years they [verb] | 8 |
|
| 8 | recent years they have | 6 |
|
