| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [conj] it [vb past] [num] years | 13 |
|
| 2 | [noun] [subord] it [vb past] [num] years | 11 |
|
| 3 | [noun] since it [vb past] [num] years | 6 |
|
| 4 | [noun] since it [vb past] [num] years | 6 |
|
