| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what should [conj] [vb mod] | 6 |
|
| 2 | what should [coord] [modal v] | 6 |
|
| 3 | what should [conj] should | 5 |
|
| 4 | what should [conj] should | 5 |
|
