| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] years [vb -s] been the [adj] | 10 |
|
| 2 | recent years [vb -s] been the [adj] | 7 |
|
| 3 | [adj] years [vb -s] been the [adj] | 7 |
|
| 4 | recent years [vb -s] been the [adj] | 7 |
|
| 5 | years [vb -s] been the [adj] [noun] | 10 |
|
| 6 | years [vb -s] been the [adj] [noun sg] | 10 |
|
