| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] you should [vb infin] | 113 |
|
| 2 | [vb infin] you should [vb infin] | 78 |
|
| 3 | [vb infin] [Wh adv] you should | 45 |
|
