| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] to be | 7203 |
|
| 2 | should [vb infin] to be | 149 |
|
| 3 | should [vb infin] to [be] | 149 |
|
| 4 | should [verb] to be | 145 |
|
| 5 | should [vb infin] [prep] be | 144 |
|
| 6 | should [vb infin] to [be] | 144 |
|
