| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] you should [vb infin] | 117 |
|
| 2 | [prep] [Wh det] should [vb infin] | 71 |
|
| 3 | [prep] [Wh det] you should | 31 |
|
| 4 | [prep] you should [vb infin] | 17 |
|
