| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [be] [adj] year | 75 |
|
| 2 | it [modal v] [be] [num] year | 48 |
|
| 3 | it [modal v] [be] five [noun] | 12 |
|
| 4 | [pron] [modal v] [be] five year | 10 |
|
| 5 | [pers pn] [modal v] [be] five year | 9 |
|
| 6 | it [modal v] [be] five year | 8 |
|
| 7 | it [modal v] [be] five year | 8 |
|
| 8 | it [modal v] [be] five year | 8 |
|
