| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what we should [vb infin] | 80 |
|
| 2 | what we should [vb infin] | 80 |
|
| 3 | what we should do | 34 |
|
| 4 | what we should have | 9 |
|
| 5 | what we should expect | 9 |
|
| 6 | what we should call | 5 |
|
