| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] you should [vb infin] [prep] | 53 |
|
| 2 | perhaps [pron] should [vb infin] [prep] | 50 |
|
| 3 | perhaps you [modal v] [vb infin] [prep] | 45 |
|
| 4 | perhaps you should [verb] [prep] | 13 |
|
