| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what can be [verb] [prep] | 193 |
|
| 2 | [vb infin] what be [verb] [prep] | 178 |
|
| 3 | [vb infin] what can be [verb] | 28 |
|
| 4 | [vb infin] can be [verb] [prep] | 10 |
|
