| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [be] [adj] | 5277 |
|
| 2 | [vb infin] [be] [adj] | 5056 |
|
| 3 | should [vb infin] [be] | 2037 |
|
| 4 | should [vb infin] [adj] | 1598 |
|
