| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] [det] [noun] | 990 |
|
| 2 | [modal v] [vb infin] [det] year | 153 |
|
| 3 | should [vb infin] [adj] year | 19 |
|
| 4 | should [verb] [det] year | 11 |
|
