| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pers pn] have [been] | 659 |
|
| 2 | years [pers pn] have [been] | 280 |
|
| 3 | [prep] years [pers pn] have | 89 |
|
| 4 | [prep] years have [been] | 15 |
|
