| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | years [pron] has been [adj] | 24 |
|
| 2 | years there has [been] [adj] | 17 |
|
| 3 | years [ex0] has [been] [adj] | 17 |
|
| 4 | years there has [been] [adj] | 17 |
|
| 5 | years [pers pn] has [been] [adj] | 7 |
|
| 6 | years [pron] has [been] increasing | 6 |
|
| 7 | years it has [been] [adj] | 5 |
|
| 8 | years [pron] has [been] considerable | 5 |
|
| 9 | years it has [been] [adj] | 5 |
|
