| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what you should [vb infin] | 80 |
|
| 2 | what you should [vb infin] | 80 |
|
| 3 | what you should [vb infin] | 80 |
|
| 4 | what you should do | 37 |
|
| 5 | what you should have | 9 |
|
