| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i should [vb infin] [pers pn] | 609 |
|
| 2 | i [vb infin] [pers pn] [prep] | 458 |
|
| 3 | should [vb infin] [pers pn] [prep] | 451 |
|
| 4 | i should [vb infin] [prep] | 271 |
|
