| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [adj] [prep] [det] [noun] | 829 |
|
| 2 | [modal v] [be] [adj] [prep] [adj] year | 31 |
|
| 3 | [modal v] [be] [adj] [prep] [det] year | 5 |
|
| 4 | [modal v] [be] [adj] [prep] [det] year | 5 |
|
