| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [verb] [adj] years | 46 |
|
| 2 | it [vb mod] [verb] several [noun] | 33 |
|
| 3 | it [vb mod] [verb] several [noun pl] | 33 |
|
| 4 | [pron] [vb mod] [verb] several years | 10 |
|
| 5 | [pers pn] [vb mod] [verb] several years | 8 |
|
| 6 | it [modal v] [verb] several years | 5 |
|
| 7 | it [vb mod] [verb] several year | 5 |
|
| 8 | it [vb mod] [verb] several years | 5 |
|
