| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] [adv] | 2208 |
|
| 2 | [vb infin] i [adv] | 1197 |
|
| 3 | should [vb infin] i | 144 |
|
| 4 | should i [adv] | 40 |
|
