| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] [verb] [prep] | 928 |
|
| 2 | [modal v] [vb infin] do [prep] | 381 |
|
| 3 | [vb mod] [vb infin] do [prep] | 381 |
|
| 4 | should [vb infin] do [prep] | 22 |
|
| 5 | should [verb] do [prep] | 22 |
|
