| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what be | 6739 |
|
| 2 | [prep] what [vb past] | 2384 |
|
| 3 | what [vb past] be | 612 |
|
| 4 | [prep] [vb past] be | 35 |
|
