| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in recent years [pers pn] have be | 7 |
|
| 2 | in recent years [pers pn] have [be] | 7 |
|
| 3 | in recent years [pers pn] have been | 7 |
|
| 4 | in recent years [pers pn] have [been] | 7 |
|
