| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] years it | 299 |
|
| 2 | [det] years it | 80 |
|
| 3 | several years [pron] | 38 |
|
| 4 | several [noun] it | 31 |
|
| 5 | several [noun pl] it | 31 |
|
| 6 | several years it | 8 |
|
| 7 | several year it | 8 |
|
