| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb past] [verb] | 1624 |
|
| 2 | [be] what [verb] | 1459 |
|
| 3 | [be] what [vb past] | 504 |
|
| 4 | [be] [vb past] [verb] | 11 |
|
