| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] i [vb infin] [prep] | 949 |
|
| 2 | [modal v] i [vb infin] [prep] | 949 |
|
| 3 | should [pron] [vb infin] [prep] | 404 |
|
| 4 | should i [verb] [prep] | 96 |
|
| 5 | should i [vb infin] [prep] | 95 |
|
