| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [be] [adj] year [subord] | 41 |
|
| 2 | it [modal v] [be] [num] year [subord] | 23 |
|
| 3 | it [modal v] [be] [det] year [subord] | 18 |
|
| 4 | it [modal v] [be] many year [subord] | 6 |
|
| 5 | it [modal v] [be] many year [subord] | 6 |
|
| 6 | it [modal v] [be] several year [subord] | 6 |
|
| 7 | it [modal v] [be] several year [subord] | 6 |
|
| 8 | it [modal v] [be] some year [subord] | 6 |
|
| 9 | it [modal v] [be] some year [subord] | 6 |
|
| 10 | it [modal v] [be] ten year [subord] | 5 |
|
| 11 | it [modal v] [be] ten year [subord] | 5 |
|
| 12 | it [modal v] [be] year [subord] [pron] | 11 |
|
| 13 | it [modal v] [be] year [subord] [pers pn] | 10 |
|
