| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [verb] [adj] year | 52 |
|
| 2 | it [vb mod] [verb] two [noun] | 31 |
|
| 3 | [pron] [vb mod] [verb] two year | 16 |
|
| 4 | it [modal v] [verb] two year | 6 |
|
