| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [det] years have [pers pn] be | 5 |
|
| 2 | how [det] years have [pers pn] been | 5 |
|
| 3 | how [det] years have [pers pn] [been] | 5 |
|
| 4 | how [det] years have [pers pn] [be] | 5 |
|
