| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i should [vb infin] | 4449 |
|
| 2 | should [vb infin] [conj] | 1920 |
|
| 3 | i [vb infin] [conj] | 549 |
|
| 4 | i should [conj] | 8 |
|
