| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] what you should [verb] | 9 |
|
| 2 | [is] [Wh det] you should [verb] | 9 |
|
| 3 | [is] [Wh det] you should [vb infin] | 9 |
|
| 4 | is [Wh det] you should [verb] | 5 |
|
