| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but in recent years it has | 8 |
|
| 2 | but in recent years it [vb -s] | 8 |
|
| 3 | but in recent years it [verb] | 8 |
|
| 4 | but in recent years it have | 8 |
|
