| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [verb] [prep] [adj] | 1878 |
|
| 2 | [modal v] be [verb] [prep] [num ord] | 148 |
|
| 3 | should [be] [verb] [prep] [num ord] | 15 |
|
| 4 | should be [verb] [prep] [num ord] | 15 |
|
